The answer we require is: The Mann-Whitney U test is akin to the independent samples t-test.
What is the independent t-test?
An Independent t-test (also known as an unpaired t-test or a two-sample t-test) is a statistical procedure that examines whether two populations have the same mean. This is done by comparing the means of two groups, which are typically independent samples. The independent samples t-test is used to compare the means of two groups when the samples are independent, have similar variances, and come from normal distributions. It is used to investigate the relationship between two continuous variables that are independent.
What is the Mann-Whitney U test?
The Mann-Whitney U test is a non-parametric test used to determine whether two independent samples are significantly different from each other. It is used to compare two independent groups when the dependent variable is continuous and the data are not normally distributed or when the data are ordinal.
The Mann-Whitney U test is also referred to as the Wilcoxon rank-sum test and is useful when the data is not normally distributed or when the sample sizes are small. The Mann-Whitney U test is akin to the independent samples t-test.
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What is true about angle ∠APD?
Answer:
HEY MATE FIRST OF ALL THE QUESTION IS NOT COMPLETE. TRY MAKING IT MORE CLEAR NEXT TIME !
Step-by-step explanation:
IF THE QUESTION IS THIS IN THE BELOW THEN HERE IS THE ANSWER .
What is true about angle ∠APD?
It is to angle Angle A P C.
It is to angle Angle C P B.
SOLUTION :
Answer: It is supplementary to angle Angle A P C.
It is vertical to angle Angle C P B.
I hope this help :)
Pic below&;73737 the haheheueu
Answer:
4.)
Radius: 2.4cm
Diameter: 4.8cm
Circumference: 15.072cm
5.)
Radius: 3.5cm
Diameter: 7cm
Circumference: 21.98cm
6.)
Radius: 7cm
Diameter: 14cm
Circumference: 43.96cm
Step-by-step explanation:
Radius: \(d\) ÷ \(2\)
Circumference: \(d\) × \(\pi\) or \(2\) × \(\pi\) × \(r\)
Have a great day <3
write the decimals and percents illustrated by the pictures below!
can someone pls give me the decimal and percent for this one? thanksn
Answer:
Decimal: 0.49
Percent: 49%
Step-by-step explanation:
There is 49 blocks shaded out of 100 blocks.
49/100=
0.49
49%
answer 5-8 (you can just google it)
Answer:
5)x=25/3
6)x=2
7)x=3
8)x=10
9)x=5
10)x=10
11)x=21
12)x=-25/3(negative 25 over 3)
13: Mr.Jones has 34 3 4 cup of fertilizer. He will use a 18 1 8 cup measuring scoop to pour all of the fertilizer onto his plants. How many times will Mr. Jones fill the measuring scoop with fertilizer
Answer:
1,120/580 equals to 56/29 or 1 27/29
Step-by-step explanation:
Make these fraction into improper fractions
Then divide 140/4 by 145/8
How do you solve quotients step by step?
We can Long Division method to solve quotients step by step
What is long division method and its steps ?
When splitting huge numbers, the task is divided into several sequential parts using the long division approach. The dividend is divided by the divisor, just as in conventional division problems, and the result is known as the quotient; occasionally, it also produces a remainder.
We need to comprehend a few stages in order to divide. A vinculum or right parenthesis separates the dividend from the quotient, while a vertical bar separates the divisor from the dividend. Let's now go through the long division stages listed below to comprehend the procedure.
1. Take the dividend's first digit starting from the left . Verify if this digit exceeds or is equal to the divisor.
2. Next, divide it by the divisor, and write the result as the quotient on top.
3. Subtract the outcome from the digit, and then put the difference below.
Step 4: Decrease the dividend's subsequent digit (if present).
Step 5: Carry out Step 4 again.
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A rectangular tank is 24 cm wide, and 30 cm long. It contains a stone and is filled with water to a height of 8 cm. When Amy pulls the
stone out of the tank, the height of the water drops to 6 cm.
Find the volume of the stone. Be ready to explain the steps you took to solve the problem on the next slide (16).
What is the formula for VOLUME?
V
What is the VOLUME of the STONE? Remember to LABEL answer
Answer:
Formula for volume = length (L) × width (W) × height (H)
Volume of the stone = 1,440 cm³
Step-by-step explanation:
✔️Formula for the rectangular tank = L*W*H
✔️Volume of the stone = volume of the tank with the stone - volume of the tank without the stone
✔️Volume of the tank with the stone:
L = 30 cm, W = 24 cm, H = 8 cm (height of water when the stone was in the tank)
Volume of the tank with the stone = 30*24*8 = 5,760 cm³
✔️Volume of the tank without the stone:
L = 30 cm, W = 24 cm, H = 6 cm (height of water when the stone was pulled out)
Volume of the tank with the stone = 30*24*6 = 4,320 cm³
✅Volume of the stone = 5,760 - 4,320 = 1,440 cm³
How Many Cups in a Pint?
There are 2 cups in a pint.
A pint is a unit of measurement for volume in the imperial system and it is commonly used in the United States. A pint is equal to 2 cups, which is roughly equivalent to 0.473176 liters in the metric system.
To convert pints to cups, you can use the conversion factor 1 pint = 2 cups. It's important to note that cups (c) and pints (pt) are both units of measurement for volume. When measuring volume, it is essential to be aware of which unit of measurement is being used to ensure accurate conversion.
It's also important to note that different substances have different densities, which means that a pint of one substance may not be equivalent to a pint of another substance in terms of volume.
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Consider a binomial experiment. If the number of trials is increased, what happens to the expected value
Answer:
The expected value is an expression of the weighted average and can be taken as the (arithmetic) mean
As the number of trials is increased in a binomial experiment, the expected values obtained, in each of the set of trials continuously tend to the theoretical expected value
Step-by-step explanation:
The height of a cannon ball, in feet, shot from a pirate ship is given by
the equation h = -0.03x* + 2.84x + 20, where x is given in seconds
After how many seconds does the cannon ball splash into the water??
Answer:
after 101.25 seconds
Step-by-step explanation:
set h equal to zero and solve for 'x'
0 = -0.03x² + 2.84x + 20
I multiplied through by 100 to work with integers instead of decimals, and then I used the Quadratic Formula
9-b ± √b²-4ac) / 2a
a = -3
b = 284
c = 2000
Solving the quadratic equation, it is found that the ball splashes into the water after 101.25 seconds.
-----------------
The height of the ball after x seconds is given by:
\(h(x) = -0.03x^2 + 2.84x + 20\)
It splashes into the water at time x, for which \(h(x) = 0\). This value is found solving the quadratic equation.-----------------
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
\(ax^{2} + bx + c, a\neq0\).
This polynomial has roots \(x_{1}, x_{2}\) such that \(ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})\), given by the following formulas:
\(x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}\)
\(x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}\)
\(\Delta = b^{2} - 4ac\)
-----------------
\(-0.03x^2 + 2.84x + 20\) has coefficients \(a = -0.03, b = 2.84, c = 20\). Thus:
\(\Delta = (2.84)^2 - 4(-0.03)(20) = 10.4656\)
\(x_{1} = \frac{-2.84 + \sqrt{10.4656}}{2(-0.03)} = -6.58\)
\(x_{2} = \frac{-2.84 - \sqrt{10.4656}}{2(-0.03)} = 101.25\)
The ball splashes into the water after 101.25 seconds.
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Which of the following equations names the same line as -2x – 3y = 5?
A. -4x - 6y = 12
B. -4x - y = 10
C. -6x - 9y = 15
D. 4x - 6y = 15
Answer:
c
Step-by-step explanation:
_6x -9y =15
_6x÷3=-2x
9y÷3=3y
15÷3=5
so,_2x -3y =5
8. A cell phone company charges $0.25 per text
sent. James wants to spend no more than $30
on sending texts each month. Which of the
following can James use to find t, the maximum
number of texts he can send per month?
SMS
A. 0.25t < 30
C. 0.25t = 30
B. 0.25t s 30
D. 0.25t 2 30
Answer:
B
Step-by-step explanation:
I'LL MARK YOU BRAINLIST !!!
Answer:
90.084= 5
0.0009084= 4
Step-by-step explanation:
if the measures of the angles of a triangle are in the ratio of 2:3:5, then the expressions 2x, 3x, and 5x represent the measures of these angles. what are the measures of these angles?
The measures of the angles of a triangle are in the ratio of 2:3:5, then the actual measures of the angles are 36 degrees, 54 degrees, and 90 degrees.
If the measures of the angles of a triangle are in the ratio of 2:3:5, then the expressions 2x, 3x, and 5x represent the measures of these angles.
To find the actual measures of these angles, we need to use the fact that the sum of the angles in a triangle is always 180 degrees.
Let's say that the measures of the angles are 2y, 3y, and 5y (where y is some constant).
Using the fact that the sum of the angles in a triangle is 180 degrees, we can set up an equation:
2y + 3y + 5y = 180
Simplifying, we get:
10y = 180
Dividing both sides by 10, we get:
y = 18
Now we can substitute y = 18 back into our expressions for the angle measures:
2y = 2(18) = 36
3y = 3(18) = 54
5y = 5(18) = 90
So the measures of the angles are 36 degrees, 54 degrees, and 90 degrees.
Therefore, if the measures of the angles of a triangle are in the ratio of 2:3:5, then the actual measures of the angles are 36 degrees, 54 degrees, and 90 degrees.
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Evaluate -8•|2|
-10
10
-16
16
Answer:
-16
Step-by-step explanation:
-8•|2|
Absolute value means take the positive value of the number inside
-8 * +2
Multiply
-16
Kelsey ran the 40 meter track at her school in 91.4 seconds running at the same speed how long did it take for the run 100 meter
Answer:
Kelsey ran 100 meters in 228.5 seconds.
Step-by-step explanation:
To find the answer, first find out how many seconds it takes for her to run 1 meter.
91.4/40=2.285
Now, multiply that by 100.
228.5
Kelsey ran 100 meters in 228.5 seconds.
What is y??? Pls help meeee I don’t understand how to do it
Answer:
what do you want the slope? The y cordinate is where the points are on the y axis.
Step-by-step explanation:
Mr. Green washed 3 8 of his laundry. His son washed 1 3 of it. Who washed most of the laundry? How much of the laundry still needs to be washed?
Answer:
Mr.Green washed the most laundry with .375 of it done
what remains is .291
Step-by-step explanation:
3/8 or 3 divided by 8 is .375
1/3= .3333 repeating or rounded to .334
.375+.334= .709
1.000 - .709= .291
hopes this helps
Answer:
1. Mr. Green washed more laundry 2. 7/24 of the laundry still needs to be washed
Step-by-step explanation:
If you find a common denominator you can compare them. I used the common denomiator of 24. Next, you need to change both fractions so that they have the same denominator. To do that we have to multiply both the numerator and denominator of 3/8 by 3. When you do that, you end up with 9/24. Then you have to do the same for 1/3 but this time multiplying the numerator and the denominator by 8. That will leave us with 9/24 and 8/24 which proves that Mr. Green did more laundry.
For the second question, we will need to add the two amounts of laundry already washed and then find out how much remains from there. We can use the fractions that already have a common denominator from the explanation above. Now we have to add 9/24 and 8/24 together. Once we add them together, we will get 17/24 which is how much laundry is already done. Now, we need to take the remaining amount from 17/24 which is 7/24, and that represents how much laundry sitll needs to be washed.
(sorry if this is confusing but I hope it helped!)
Can somebody help me with problem 1
Answer:
90 degrees
90 degrees
3x + 3 = 90
x = 29
Step-by-step explanation:
(3x + 3) means the angle at K, I assume.
the angles IKH and JKH are the same and 90 degrees each, as the height stands perpendicular on the side JI.
so,
3x + 3 = 90
3x = 87
x = 29
Answer:
Step-by-step explanation:
In the given triangle HIJ,
HK is the altitude (by the definition of the altitude of a triangle)
Therefore, m∠HKI = m∠HKJ = 90°
Equation for the given angles will be,
(3x + 3)° = 90°
3x = 87
x = 29
A student takes an 8-question, true-false exam and guesses on each question. Find the probability of passing if the lowest passing grade is 6 correct out of 8.
The probability of passing the exam, given that the lowest passing grade is 6 correct out of 8, is approximately 0.1445 or 14.45%.
To find the probability of passing the exam if the lowest passing grade is 6 correct out of 8, we need to calculate the probability of getting 6, 7, or 8 questions correct.
In an 8-question true-false exam, there are 2 possible outcomes (true or false) for each question. Therefore, the total number of possible outcomes for answering 8 questions is 2^8 = 256.
To determine the number of ways to get exactly 6, 7, or 8 questions correct, we can use combinations. The number of ways to choose k items from a set of n items is given by the combination formula:
C(n, k) = n! / (k! * (n-k)!)
For 6 questions correct:
C(8, 6) = 8! / (6! * (8-6)!) = 28
For 7 questions correct:
C(8, 7) = 8! / (7! * (8-7)!) = 8
For 8 questions correct:
C(8, 8) = 8! / (8! * (8-8)!) = 1
Therefore, there are 28 + 8 + 1 = 37 ways to pass the exam (getting 6, 7, or 8 questions correct).
The probability of passing the exam is the ratio of the number of favorable outcomes (passing) to the total number of possible outcomes:
P(passing) = number of favorable outcomes / total number of possible outcomes
P(passing) = 37 / 256 ≈ 0.1445
So, the probability of passing the exam, given that the lowest passing grade is 6 correct out of 8, is approximately 0.1445 or 14.45%.
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4x-5y+2x+4+6+9y+7x+2
Answer:
\(13x+4y+12\)
Step-by-step explanation:
Combine all the like terms & then solve:
\((4x+2x+7x)+(-5y+9y)+(4+6+2)\)
\(13x+4y+12\)
\(\implies {\blue {\boxed {\boxed {\purple {\sf { \: 13x + 4y + 12}}}}}}\)
\(\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}\)
\(4x - 5y + 2x + 4 + 6 + 9y +7 x + 2\)
Combining like terms, we have
= \( \:( 4x + 2x + 7x ) + (9y- 5y )+ (4 + 6 + 2)\)
= \( \: 13x + 4y + 12\)
\(\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}\)
199
3.
Highlight the equation has the same unknown value as 532 + 14 =
A.
532 x 0
= 14
B.
14 x 0 = 532
C.
D: 14 = 532
D.
D: 532 = 14
Kate asked people if they read a daily newspaper then she wrote this table to show her results no 80 people= 40% yes 126 people = 60% this value in the table cannot all be correct what could the correct number be 80 people = 40% __ people = 60% 80 people = __% 126 people = __% what are the missing numbers?
The missing numbers are: 80 people = 40% ,120 people = 60%. These numbers are obtained by solving a proportion and calculating the percentages based on the total number of people in the survey. It is important to ensure that the percentages add up to 100% and accurately represent the data collected by Kate.
To find the missing numbers, we can set up proportions based on the given percentages.
First, we know that 80 people represent 40% of the total. To find the total number of people, we can use the proportion:
80/total = 40/100
Cross multiplying gives us:
40 * total = 80 * 100
Simplifying, we get:
40 * total = 8000
Dividing both sides by 40 gives us the total number of people:
total = 8000/40
Simplifying, we find that the total number of people is 200.
Now, we can use this total to find the missing numbers.
For the first missing number, we know that 80 people represent 40% of the total, so the first missing number is:
40% of 200 = 0.4 * 200 = 80
For the second missing number, we know that 126 people represent 60% of the total, so the second missing number is:
60% of 200 = 0.6 * 200 = 120
Therefore, the missing numbers are:
80 people = 40%
120 people = 60%
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Which inequality matches the graph
Group of answer choices
x = −3
x ≤ −3
x ≥ −3
x > −3
x < −3
Answer:
x > -3
There is only an underline under the greater sign when the circle is closed
The mean mass of five men is 76 kg. The masses of four of the men are 72 kg, 74 kg, 75 kg and 81 kg. What is the mass of the fifth man
Answer:
78kg
Step-by-step explanation:
76×5= 380kg
380-72-74-75-81= 78kg
URGENT what is radical 55 over 28 as a fraction in simplest terms?
Answer:
look below its the answer i promise
Step-by-step explanation:
The dimension of the row space of a 3 x 3 matrix A is 2. (a) What is the dimension of the column space of A? (b) What is the rank of A? (c) What is the nullity of A? (d) What is the dimension of the solution space of the homogeneous system Ax = 0?
a) the dimension of its column space is also 2. b) the rank of A is 2. c) the nullity of matrix A is 1. d) the dimension of the solution space of the homogeneous system \(A_x = 0\) is also 1.
(a) The dimension of the row space of a matrix is equal to the dimension of its column space. So, if the dimension of the row space of matrix A is 2, then the dimension of its column space is also 2.
(b) The rank of a matrix is defined as the maximum number of linearly independent rows or columns in the matrix. Since the dimension of the row space of matrix A is 2, the rank of A is also 2.
(c) The nullity of a matrix is defined as the dimension of the null space, which is the set of all solutions to the homogeneous equation Ax = 0. In this case, the matrix A is a 3 x 3 matrix, so the nullity can be calculated using the formula:
nullity = number of columns - rank
nullity = 3 - 2 = 1
Therefore, the nullity of matrix A is 1.
(d) The dimension of the solution space of the homogeneous system Ax = 0 is equal to the nullity of the matrix A. In this case, we have already determined that the nullity of matrix A is 1. Therefore, the dimension of the solution space of the homogeneous system \(A_x = 0\) is also 1.
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answer question bellow!!!
Suppose that an investment has 0.5% chance of a loss of $10
million and a 99.5% chance of a loss of $1 million. What is the
Value-at-Risk (VaR) for this investment when the confidence level
is 99%
To calculate the Value-at-Risk (VaR) for this investment at a 99% confidence level, we need to determine the loss amount that will be exceeded with a probability of only 1% (i.e., the worst-case loss that will occur with a 1% chance).
Given that there is a 0.5% chance of a loss of $10 million and a 99.5% chance of a loss of $1 million, we can express this as:
Loss Amount | Probability
$10 million | 0.5%
$1 million | 99.5%
To calculate the VaR, we need to find the loss amount that corresponds to the 1% probability threshold. Since the loss of $10 million has a probability of 0.5%, it is less likely to occur than the 1% threshold. Therefore, we can ignore the $10 million loss in this calculation.
The loss of $1 million has a probability of 99.5%, which is higher than the 1% threshold. This means that there is a 1% chance of the loss exceeding $1 million.
Therefore, the Value-at-Risk (VaR) for this investment at a 99% confidence level is $1 million.
The Value-at-Risk (VaR) for this investment at a 99% confidence level is $1,045,000.
To calculate the Value-at-Risk (VaR) for this investment at a 99% confidence level, we need to determine the loss amount that will be exceeded with only a 1% chance.
Given that the investment has a 0.5% chance of a loss of $10 million and a 99.5% chance of a loss of $1 million, we can calculate the VaR as follows:
VaR = (Probability of Loss of $10 million * Amount of Loss of $10 million) + (Probability of Loss of $1 million * Amount of Loss of $1 million)
VaR = (0.005 * $10,000,000) + (0.995 * $1,000,000)
VaR = $50,000 + $995,000
VaR = $1,045,000
Therefore, the Value-at-Risk (VaR) for this investment at a 99% confidence level is $1,045,000.
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plz help me idk this 1