At a drug rehab center 40% experience depression and 28% experience weight gain. 11% experience both. If a patient from the center is randomly selected, find the probability that the patient (Round all answers to four decimal places where possible.)

a. experiences neither depression nor weight gain.

b. experiences depression given that the patient experiences weight gain.

c. experiences weight gain given that the patient experiences depression.
(round to 4 decimal places)

d. Are depression and weight gain mutually exclusive?
yes
no

e. Are depression and weight gain independent?
no
yes

Answers

Answer 1

Using probability concepts, it is found that:

a) 0.43 = 43% probability that the patient experiences neither depression nor weight gain.

b) 0.3929 = 39.29% probability that the patient experiences depression given that the patient experiences weight gain.

c) 0.275 = 27.5% probability that the patient experiences weight gain given that the patient experiences depression.

d) No.

e) No.

---------------------

Conditional probability is an important part of the exercise.The formula is:

\(P(B|A) = \frac{P(A \cap B)}{P(A)}\)  

P(B|A) is the probability of event B happening, given that A happened. \(\mathbf{P(A \cap B)}\) is the probability of both A and B happening. P(A) is the probability of A happening.

----------------------

40% experience depression, thus \(P(A) = 0.4\)28% experience weight gain, thus \(P(B) = 0.28\)11% experience both, thus: \(P(A \cap B) = 0.11\)

Item a:

The probability of experiencing at least one of them is:

\(P(A \cup B) = P(A) + P(B) - P(A \cap B) = 0.4 + 0.28 - 0.11 = 0.57\)

The probability of none is:

\(p = 1 - P(A \cup B) = 1 - 0.57 = 0.43\)

0.43 = 43% probability that the patient experiences neither depression nor weight gain.

Item b:

This probability is: \(P(A|B)\).Using conditional probability:

\(P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{0.11}{0.28} = 0.3929\)

0.3929 = 39.29% probability that the patient experiences depression given that the patient experiences weight gain.

Item c:

Similar to b, thus:

\(P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.11}{0.4} = 0.275\)

0.275 = 27.5% probability that the patient experiences weight gain given that the patient experiences depression.

Item d:

\(P(A \cap B) \neq 0\), thus, the events are not mutually exclusive.

Item e:

We have that: \(P(A \cap B) = 0.11\)Also: \(P(A)P(B) = 0.4(0.28) = 0.112\)\(P(A \cap B) = P(A)P(B)\), thus, the are not independent.

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Related Questions

PLEASE ANSWER
50 degrees
120 degrees
60 degrees
40 degrees

PLEASE ANSWER50 degrees 120 degrees 60 degrees 40 degrees

Answers

The angle B in triangle ABC is 60° i.e. C.

What is a triangle?

In Geometry, triangles are the type of polygons, which have three sides and three vertices. This is a two-dimensional figure with three straight sides. A triangle is considered a 3-sided polygon. The sum of all the three angles of a triangle is equal to 180°. The triangle is contained in a single plane. Based on its sides and angle measurement, the triangle has six types.

Based on the sides of a triangle, a triangle is classified into 3 types, namely:

Scalene Triangle – All the sides are of different measures.

Isosceles Triangle – Two sides of a triangle are of the same measure and the remaining side has a different measure.

Equilateral Triangle – All the 3 sides of a triangle are of the same measure.

Based on the angles of a triangle, a triangle is classified into 3 types, namely:

Acute Angle Triangle – All the angles of a triangle is less than 90°.

Obtuse Angle Triangle – One of the angles of a triangle is greater than 90°.

Right Angle Triangle – One of the angles of a triangle is equal to 90°.

Now

∠NAB+∠CAB=180°  (Supplementary angles)

∠CAB=180-∠NAB

=180-100

∠CAB=80°

As

∠A+∠B+∠C=180° (sum of all angles of a triangle =180°)

∠B=180-80-40

∠B=60°

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PLSSS HELPPPPPPPPPPPPP PLS WILL GIVE BRAINLIEST

PLSSS HELPPPPPPPPPPPPP PLS WILL GIVE BRAINLIEST

Answers

Answer:

8 units

Step-by-step explanation:

Please see attached image.

PLSSS HELPPPPPPPPPPPPP PLS WILL GIVE BRAINLIEST

Example 2: Use the Venn diagram to determine each set and the number of elements in each set.
helpppp

Example 2: Use the Venn diagram to determine each set and the number of elements in each set.helpppp

Answers

Using the Venn diagram, each set and the number of elements in each set are:

a. U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12}

b. A = {1, 3, 4, 5, 6, 8}

c. B = {4, 5, 6, 7, 9, 11}

d. C = {6, 8, 9, 12}

e. A ∪ B = {1, 3, 4, 5, 6, 7, 8, 9, 11}

f. A ∩ B = {4, 5, 6}

How to Use the Venn diagram to determine each set and the number of elements in each set?

A Venn diagram is a pictorial representation used to visualize the relationships between different sets of objects or concepts.

a.) U is the universal set. This implies it contains all the elements in the set. Thus:

U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12}

b.) A is all element (number) is set A (circle A). Thus:

A = {1, 3, 4, 5, 6, 8}

c.) B is all element is set B (circle B). Thus:

B = {4, 5, 6, 7, 9, 11}

d.) C is all element is set C (circle C). Thus:

C = {6, 8, 9, 12}

e.) A ∪ B is all element is sets A and B (circles A and B). Thus:

A ∪ B = {1, 3, 4, 5, 6, 7, 8, 9, 11}

f.) A ∩ B is all element is sets A and B (circles A and B) have in common. Thus:

A ∩ B = {4, 5, 6}

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During the NCAA basketball tournament season, affectionately called March Madness, part of one team's strategy is to foul their opponent if his free-throw shooting percentage is lower than his two-point field goal percentage. Juan's free-throw shooting percentage is lower and is only 53.5%. After being fouled he gets two free-throw shots each worth one point. Calculate the expected value of the number of points Juan makes when he shoots two free-throw shots.

Answers

Using the binomial distribution, the expected value of the number of points Juan makes when he shoots two free-throw shots is 1.07.

For each shot, there are only two possible outcomes, either Juan makes it, or he misses it. The probability of making a shot is independent of any other shot, hence, the binomial distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability, and the expected value is:

\(E(X) = np\)

In this problem:

Two shots, hence \(n = 2\)He makes 53.5% of the shots, hence \(p = 0.535\).

Then:

\(E(X) = np = 2(0.535) = 1.07\)

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What is the solution to 4|x - 6 ≤ 16?
Ox≤2 or x ≥ 10
02≤x≤ 10
0-10≤x≤2
Ox≤-10 or x ≥ 2

What is the solution to 4|x - 6 16?Ox2 or x 1002x 100-10x2Ox-10 or x 2

Answers

the answer is 2 ≤x≤ 10

6. Determine the system of equations based on the following relationships and then solve
for the two integers.
a. Fourteen more than twice the first integer gives the second integer
b. The second integer increased by one is the square of the first integer

Answer: (-3,8) and (5,24)

Answers

The two pairs of integers that satisfy the given conditions are (-3, 8) and (5, 24).

To solve the system of equations, let's assign variables to the two integers. Let the first integer be represented by 'x' and the second integer by 'y'.

According to the given information:

a. Fourteen more than twice the first integer gives the second integer:

This can be expressed as: 2x + 14 = y

b. The second integer increased by one is the square of the first integer:

This can be expressed as: y + 1 = x^2

Now, we have a system of equations:

1) 2x + 14 = y

2) y + 1 = x^2

To solve this system, we can substitute the value of 'y' from equation 1) into equation 2):

2x + 14 + 1 = x^2

2x + 15 = x^2

Rearranging the equation, we have:

\(x^2 - 2x - 15 = 0\)

Factoring the quadratic equation, we get:

(x - 5)(x + 3) = 0

Setting each factor equal to zero:

x - 5 = 0   -->   x = 5

x + 3 = 0   -->   x = -3

Substituting the values of 'x' back into equation 1), we can find the corresponding values of 'y':

For x = 5:

2(5) + 14 = y

10 + 14 = y

y = 24

For x = -3:

2(-3) + 14 = y

-6 + 14 = y

y = 8

Therefore, the two pairs of integers that satisfy the given conditions are (-3, 8) and (5, 24).

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Complete the steps in order to write the inverse of f(x) = x + 5

1.
= x + 5

2.
= y + 5

3.
= y

4.
= x – 5

Answers

The complete order of the inverse function of the function f(x) = x + 5 is:

1. y = x + 5

2. x = y + 5

3. x - 5 = y

4. y = x - 5

How to complete the steps in order to write the inverse of f(x) = x + 5?

The function is given as:

f(x) = x + 5

The opposite of the function f(x) = x + 5 is the inverse of the function.

So, we have:

f(x) = x + 5

Express f(x) as y

y = x + 5

Swap the positions of x and y

x = y + 5

Make x the subject of the formula

x - 5 = y

Rewrite as:

y = x - 5

Hence, the inverse function of the function f(x) = x + 5 is y = x - 5

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I MEED HELPP WITH THIS PAGE PLSSS

I MEED HELPP WITH THIS PAGE PLSSS

Answers

9. The value of x is 7

10. In the figure  x = 10

11. The relationship is that their sum is 180 degrees

This relationship is known as the Same-Side Interior Angles Theorem.

12. The statement is true.

Supporting statement: If the two lines are parallel, then the alternate exterior angles created by the transversal line are equal

14 < 3 = 94 degrees

How to find the value of x

9. The value of x is solved using the knowledge of corresponding angles are equal

< A = < B

4x = 3x + 7

x = 7

10. In the figure < 3 and < 6 are alternate internal angles which is equal

7x - 10 = 5x + 10

7x - 5x = 10 + 10

2x = 20

x = 10

11. The relationship between the interior angles on the same side is that their sum is 180 degrees

This relationship is known as the Same-Side Interior Angles Theorem. It is a fundamental concept in geometry and is used to solve problems involving parallel lines and transversals.

12. The statement is true.

Supporting statement: If the two lines are parallel, then the alternate exterior angles created by the transversal line are equal

13. The measure of w is solved using the idea of vertical angels

w + 85 = 148

w = 148 - 85

w = 63

14. The mistake is that < 5 is not corresponding angle to < 2

The correct solution is < 3 = < 5 alternate internal angles

< 3 + 86 = 180 supplementary angles

< 3 = 180 - 86

< 3 = 94 degrees

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Given the function, calculate the following values: ​

Given the function, calculate the following values:

Answers

Answer:

Step-by-step explanation:

Given the function, calculate the following values:

Mr. Apple wanted to correct the error, so he entered -(-$800) into the program. He made a note that read, "The opposite of the opposite of $800 is $800." Is his reasoning correct? Explain.

Answers

We know,

-(-$800)=$800.

(Since a negative number multiplied by a negative number is positive.)

The statement is given as "The opposite of the opposite of $800 is $800."

The opposite of $800 is -$800. The opposite of -$800 is $800.

So, the opposite of the opposite of $800 is $800.

So, Mr Apple's reasoning is correct.

1 point
What is 20% of 60? Type your answer...​

Answers

Answer: 12

Step-by-step explanation:

Answer:12

60×.20= 12

I hope this is good enough:

Find the circumference of a circle that has a diameter of 26 ft. (Round to the nearest hundredth)
Your answer

Answers

Answer:

C = 81.69 ft

Step-by-step explanation:

Given the following data;

Diameter = 26 ft

To find the circumference of a circle;

Mathematically, the circumference of a circle is given by the formula;

Circumference of circle, C = πd

Where;

d represents the diameter of the circle.

Substituting into the formula, we have;

C = 3.142 * 26

C = 81.69 ft

Is 14 a factor of 3,024

Answers

Answer:

Yes, 14 × 216 = 3024

Step-by-step explanation:

14x216=3,024 therefore 14 is a factor

PLEASE HELPPP!!!!!!!!

PLEASE HELPPP!!!!!!!!

Answers

Answer:

x = 5cm

Step-by-step explanation:

We Know

The x-scale is 1:5

Find x.

We Take

25 ÷ 5 = 5 cm

So, x = 5cm

How do I find the lower bound and upper bound?

How do I find the lower bound and upper bound?

Answers

We are 99% confident that the true proportion of employed individuals working at home at least once per week is between 11.8% and 21.8%.

How to solve

The formula for a confidence interval for a proportion is

p ± Z(α/2) * \(\sqrt[(p(1-p))/n],\)

where p is the sample proportion and

n is the sample size.

Given n=250 and 42 individuals working from home, we find

p=42/250

= 0.168.

For a 99% confidence level, Z(α/2) is approximately 2.58.

Plugging in these values, we get 0.168 ± 2.58 * \(\sqrt{[(0.168*(1-0.168))/250]. }\)

This results in an interval (0.118, 0.218).

Therefore, we are 99% confident that the true proportion of employed individuals working at home at least once per week is between 11.8% and 21.8%.

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What is the sum of the measures of ∠1, ∠2, ∠3, and ∠4?

What is the sum of the measures of 1, 2, 3, and 4?

Answers

Answer:

360°.

Step-by-step explanation:

1) m∠1+m∠2=m∠3+m∠4=180°;

2) then m∠1+m∠2+m∠3+m∠4=360°

I got a question! what is managing liquidity?

Answers

Answer:

Liquidity management refers to a set of processes, strategies, and supporting mechanisms/tools that ensure a business or bank is able to access cash when and where it is needed. This cash could be used to pay for goods and services, payroll, debt repayment, or new investment opportunities

Step-by-step explanation:

Bookwork code: N84
Look at the poster below showing the price of pencils in a stationery shop.
Annabel wants to buy exactly 76 pencils. What is the lowest amount she can
pay?
Give your answer in pounds (£).
spar
..
Pencils for sale!

30p each

Pack of 10
pencils for £2

Answers

Based on mathematical operations, the lowest amount that Annabel can pay for pencils is $15.20

How is the lowest amount determined?

The lowest amount that Annabel can pay for pencils can be determined using the mathematical operations of multiplication and division.

Multiplication and division are two of the four basic mathematical operations, including addition and subtraction.

If Annabel chooses to purchase the first pencil at 30p each, she would pay £22.80 (£0.30 x 76).

If Annabel chooses to purchase the second pencil class of a pack of 10 pencils for £2, she would pay £15.20 [£2 x (76 ÷ 10)].

Pencils for sale

30p each

Pack of 10 pencils for £2

Thus, if Annabel wants to buy the pencils, she can either pay £15.20 or £22.80, but using mathematical operations, the lowest amount she can pay is £15.20.

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I WILL MARK BRAINLIST!!
A photograph is dilated to fit in a frame, so that its area after the dilation is 9 times greater
than the area of the original photograph. What is the scale factor of the dilation?

Answers

Answer:

scale factor 9

Step-by-step explanation:

Scale factor is whatever u multiply your area by so it would be 9 cause it 9 times greater

Answer:

the answer is 9:1 because it means that for every 1 area of the original picture, the photograph is 9 times larger

Which statement de ribes the system of equations?
[x+2y = 2
[x-2y=-2

Answers

Answer:

x+2y=2 x-2y=-2. It has infinitely many solutions. It has no solution. It has one solution

16 families went on a trip which cost them Rs 2,16,352. How much did each
family pay?

Answers

Given that 16 families went on a trip and the cost of the trip was Rs. 2,16,352.The amount paid by each family is to be determined by unitary method Hence each family paid Rs.13522

Now, let's solve this by using the method of unitary method. To find the cost of 1 family trip, we will divide the total cost of the trip by the number of families.2,16,352 / 16 = 13,522 So, the cost of the trip per family is Rs. 13,522.Hence, each family paid Rs. 13,522 for the trip.

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Answer:

Step-by-step explanation

1. The total cost of the trip for all 16 families is Rs 2,16,352.
2. To find out how much each family paid, we need to divide the total cost by the number of families: Rs 2,16,352 ÷ 16.
3. When we do the division, we get the result: Rs 13,522.

Now let's check if this result is correct:

1. If each family paid Rs 13,522 for the trip, then the total cost for all 16 families would be: 16 × Rs 13,522 = Rs 2,16,352.
2. This is exactly the same as the total cost given in the problem statement.

So we have shown that each family paid **Rs 13,522** for the trip

Which description is paired with its correct expression?
four less than the quotient of a number cubed and seven, increased by three; 4-2+3
five times the difference of a number squared and six; 5(6-n²)
nine more than the quotient of six and a number cubed, decreased by four; 8+²-4
9+
O twice the difference of nine and a number squared; 2(9-n²)

Answers

The correct pairings are:

a) Four less than the quotient of a number cubed and seven, increased by three: (n³/7) - 4 + 3

b) Five times the difference of a number squared and six: 5(n² - 6)

c) Nine more than the quotient of six and a number cubed, decreased by four: (6/n³) + 9 - 4

d) O twice the difference of nine and a number squared: 2(9 - n²)

The correct pairings of descriptions and expressions are as follows:

Four less than the quotient of a number cubed and seven, increased by three: (n³/7) - 4 + 3

This expression represents taking a number, cubing it, dividing the result by seven, subtracting four, and then adding three.

Five times the difference of a number squared and six: 5(n² - 6)

This expression represents taking a number, squaring it, subtracting six, and then multiplying the result by five.

Nine more than the quotient of six and a number cubed, decreased by four: (6/n³) + 9 - 4

This expression represents taking the cube of a number, dividing six by the cube, adding nine, and then subtracting four.

O twice the difference of nine and a number squared: 2(9 - n²)

This expression represents taking a number, squaring it, subtracting it from nine, and then multiplying the result by two.

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If the surface area of a cylinder is 800 in^2 and the height is 15 in, what is the base?

Answers

Answer:

base = diameter

Step-by-step explanation:

if  the surface area of the cylinder is 800...

the height is 15... then the formula must be 3.14 x 15 x R2

r squared is supposed to be the square of the radius of the cylinder\

conclusion:     3.14 x 15 x R2 is 800_

so.multiply then..find the radius and add the answer you get to find the diameter ..

Compare using >, <, or =

3,219 and 9,003

Answers

Answer:

9,003 > 3,219

Step-by-step explanation:

9,003 is larger than 3,219

Select all the true statements

Select all the true statements

Answers

The true statements are;

1) AB + BC = AC

Length of BC = |6 - 1|

2) ∠JMK = 50°

∠KML = 35°

How to Interpret Number Line intervals?

1) From the given number line interval, we can deduce the interpretation as follows;

AB + BC = AC

Length of BC = 5 units or |6 - 1|

Length of B = 3 Units

2) We can see that ∠JML is an angle triangle. Thus, ∠JML = 85°. Thus;

6x + 2 + 4x + 3 = 85

10x + 5 = 85

10x = 85 - 5

10x = 80

x = 80/10

x = 8°

Thus;

∠JMK = 6(8) + 2

∠JMK = 50°

∠KML = 85° - 50°

∠KML = 35°

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4x + 2y = 12 solve for y

Answers

Let's solve for y :

\(4x + 2y = 12\)

\(2y = 12 - 4x\)

\(y = \dfrac{2(6 - 2x)}{2} \)

\(y = 6 - 2x\)

i hope it helped !!

Answer: Hello There!..................

Move all terms that don't contain y

to the right side and solve.

y=−6+2x

Step-by-step explanation:

Mark me brainest please. Hope this helps. Anna ♥

Someone help with this I’m gonna fail !

Someone help with this Im gonna fail !

Answers

the answer is option D

Solve: m = 5 – (-10).

Answers

Answer:

m=15

Step-by-step explanation:

What is the constant of proplity?
O 0.75
O 0.8
01.25
O 1.5

What is the constant of proplity?O 0.75O 0.801.25O 1.5

Answers

the answer to the problem- 1.5

What is the slope of a line perpendicular to the line whose equation is 4x+5y=35. Fully simplify your answer.

Answers

Answer:

The slope a line perpendicular to the line whose equation is 4x+5y=35, is \(\frac{5}{4}\).

Step-by-step explanation:

1. Solve the given equation for y.

\(4x+5y=35\\\\5y=35-4x\\\\\frac{5y}{5} =\frac{35}{5} -\frac{4x}{5} \\\\y =7 -\frac{4x}{5}\\\\y = -\frac{4}{5}x+7\)

2. Identify the slope.

The slope of a linear equation is always the number x is being multiplied for. Hence, the value of this equation is \(-\frac{4}{5}\) .

3. Find the slope of the perpendicular line.

The slope of a perpendicular line is always the multiplicative and addition reciprocal of the initial function. This means that you will have to invert and fracction, and add the inverse sign before it. Let's do it by parts:

a) Find the multiplicative reciprocal (invert the fraction).

\(-\frac{5}{4}\)

b) Put the opposite sign before the fraction.

\(+\frac{5}{4}\)

4. Express a result.

The slope a line perpendicular to the line whose equation is 4x+5y=35, is \(\frac{5}{4}\).

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