I need you guys help on dis...like I don’t even know anymore.

Explain if you can please!!

Answer:

1111111111111111111111111111111111111111

Step-by-step explanation:

The statement that is true of the sample size for nonprobability samples is that it is typically small.

Nonprobability sampling methods are often used when it is not feasible or practical to obtain a large sample that is representative of the population.

Nonprobability samples are selected based on criteria other than random selection, such as convenience, judgment, or purposive sampling. These methods are commonly used in qualitative research or when studying hard-to-reach populations.

Since nonprobability samples do not guarantee representativeness, the focus is often on in-depth exploration rather than generalization to a larger population. As a result, researchers often work with smaller sample sizes that are more manageable and allow for in-depth analysis of the selected cases or individuals.

To learn more about nonprobability click here:

brainly.com/question/29062631

#SPJ11

Answer:

1 in 24

Step-by-step explanation:

Because its a 1 in 6 chance to roll a five and a 1 in 4 chance to roll a yellow then you do 6 x 4 = 24

Answer is in the photo attached. Hope this helped!

The number of orange skittles in the bag is 32.

Ratio is described as the comparison of two quantities to determine how many times one obtains the other. The proportion can be expressed as a fraction or as a sign: between two integers.

We are given that;

The ratio of purple skittles to orange skittles= 5:2

Total skittles= 112

Now,

Let's call the number of purple skittles in the bag "5x" and the number of orange skittles in the bag "2x", where x is a common factor.

We know that the total number of skittles in the bag is 112. So we can write:

5x + 2x = 112

Simplifying, we get:

7x = 112

Dividing both sides by 7, we get:

x = 16

Now we can find the number of orange skittles by substituting x = 16 into our expression for the number of orange skittles:

2x = 2(16) = 32

Therefore, by the given ratio answer will be 32 orange skittles in the bag.

Learn more about the ratio here:

brainly.com/question/13419413

#SPJ2

The probability that a patient testing positive for avian influenza with this test is actually infected with avian influenza is approximately 0.803 or 80.3%

To determine the probability, we can use Bayes' theorem. Let's assume that we have 10,000 patients tested. Out of these, 4% (or 400) patients will be infected with avian influenza, and the remaining 96% (or 9,600) will not have the infection.

Out of the 400 infected patients, the test will correctly identify 98% of them, which is 392 patients. However, there will be a false positive rate of 1% among the 9,600 non-infected patients, which is 96 patients.

So, the total number of patients testing positive will be 392 + 96 = 488. Out of these, 392 patients are truly infected, which gives us the probability of a patient testing positive being infected as 392/488 ≈ 0.803.

Therefore, the probability that a patient testing positive for avian influenza with this test is actually infected with avian influenza is approximately 0.803 or 80.3%.

Learn more about probability here:

https://brainly.com/question/31828911

#SPJ11

Answer:

-1/6 x (4a - 5)

Step-by-step explanation:

-2/3a + 5/6

Factor the expression.

The given statement "The mapping x T(S(x)) is a linear transformation from Rp to Rm"  is true. Because it satisfies the properties of linearity, as shown by the computation of T(S(cu + dv)).

To show that the mapping x → T(S(x)) is a linear transformation from Rp to Rm, we need to show that it satisfies the following two properties for all vectors x, y in Rp and all scalars c, d:

Additivity: T(S(cx + dy)) = cT(S(x)) + dT(S(y))

Homogeneity: T(S(cx)) = cT(S(x))

Let's first show the additivity property:

T(S(cx + dy)) = T(S(c(x) + d(y))) [Definition of vector addition]

= T(S(c x) + S(d y)) [By linearity of S]

= T(S(c x)) + T(S(d y)) [By linearity of T]

= c T(S(x)) + d T(S(y)) [By linearity of S and T]

Therefore, T(S(x)) satisfies the additivity property.

Now let's show the homogeneity property:

T(S(cx)) = T(S(c x)) [Definition of scalar multiplication]

= c T(S(x)) [By linearity of S and T]

Therefore, T(S(x)) satisfies the homogeneity property.

Since T(S(x)) satisfies both the additivity and homogeneity properties, it is a linear transformation from Rp to Rm.

To know more about Linear transformation:

https://brainly.com/question/30822858

#SPJ4

Answer:

56.25

Step-by-step explanation:

7.5x7.5=56.25

The value of the definite integral [1, 2] f(x)dx is -7.To find the value of the definite integral [1,2] f(x)dx, we can use the property of linearity of integrals.

According to this property, if we have two definite integrals [a, b] f(x)dx and [b, c] f(x)dx, then the definite integral [a, c] f(x)dx can be expressed as the sum of these two integrals:

[a, c] f(x)dx = [a, b] f(x)dx + [b, c] f(x)dx

In this case, we are given the values of [f, 1] f(x)dx and [2, 5] f(x)dx:

[f, 1] f(x)dx = -3

[2, 5] f(x)dx = 4

We can rewrite the definite integral [1,2] f(x)dx as the sum of two integrals:

[1, 2] f(x)dx = [1, 5] f(x)dx - [2, 5] f(x)dx

Now we can substitute the given values:

[1, 2] f(x)dx = [1, 5] f(x)dx - [2, 5] f(x)dx = -3 - 4 = -7

Therefore, the value of the definite integral [1, 2] f(x)dx is -7.

To learn more about integral click here:

brainly.com/question/30970700

#SPJ11

Answer 813.8

Step-by-step explanation:

Well 813.8 is the answer. Why? Lets talk it out if there are 75 submissions and it says Paul will accept 2/5 of the submissions so we have to do is 75- 2/5 will be 74.6 and multiply by 13 because 13 pages is in a article so we got 969.8 and then minus 156 because it asking us how many "more" pages they need so 813.8 is the answer if you subtract 969.8 and 156.

Answer:

144.97

Step-by-step explanation:

First, write the problem as an equation : P% × Y = X

Here, P is 7.63, Y is 19, so the equation to solve is 7.63% × 19 = X

Convert 7.63% to fraction

To convert a percent to a fraction, just remove the percent sign and divide the given number by 100

7.63% = 7.63/100

Substitute 7.63/100 instead of 7.63% in the above equation, then 7.63% × 19 = X becomes 7.63/100 × 19 = X

Solve for X:

X = 7.63/100 × 19

X = (7.63×19)/100

x = 144.97/100 = 1.45

Therefore, 7.63% of 19 is 1.45

In the given case we can conclude that when,   7.63 multiplied by 19 equals 145.97.

To multiply 7.63 by 19, we can use the standard method of multiplication. Step 1: Write the numbers vertically, with the larger number on top: 7.63 x 19 Step 2: Start by multiplying the ones place digit (3) of the bottom number (19) by each digit of the top number (7.63). 3 * 7.63 = 22.89 Step 3: Write down the result below the line, making sure to align the decimal point: 22.89

Step 4: Next, multiply the tens place digit (1) of the bottom number (19) by each digit of the top number (7.63). 1 * 7.63 = 7.63 Step 5: Write down the result, shifting it one place to the left: 7.63 22.89 ------ 145.97 Step 6: Finally, add the two partial products together to get the final answer: 22.89 +145.97 ------- 145.97 Therefore, 7.63 multiplied by 19 equals 145.97.

To know more about  multiplied here

https://brainly.com/question/1135170

#SPJ2

Answer:

66 cm^2

Step-by-step explanation:

12*6=72 cm^2 and to find the missing pience of the rectangle you multiply 3*2= 6 cm^2.

72 - 6 = 66

A) Serial correlation is often present in time series data because it arises from the inherent nature of the data

B) The presence of serial correlation in the residual is a problem because it violates one of the assumptions of linear regression analysis, which is the assumption of independent and identically distributed (IID) errors.

I. Serial correlation is often present in time series data because it arises from the inherent nature of the data. Time series data refers to observations collected over time, where each observation is dependent on previous observations. This dependence can result in a pattern of correlation or relationship between consecutive data points.

One common reason for serial correlation in time series data is seasonality. Seasonality refers to the repetitive pattern or trend that occurs within a specific time period. For example, sales of ice cream may increase during the summer months and decrease during the winter months. This pattern of seasonality can create a correlation between consecutive observations within the same season.

Another reason for serial correlation is autocorrelation. Autocorrelation occurs when there is a correlation between an observation and its lagged values, meaning the previous observations. For example, if the stock price of a company is increasing over time, it is likely to exhibit positive serial correlation as each observation is influenced by the previous price.

II. The presence of serial correlation in the residual is a problem because it violates one of the assumptions of linear regression analysis, which is the assumption of independent and identically distributed (IID) errors. In linear regression, the residuals represent the unexplained variation in the dependent variable after accounting for the effects of the independent variables.

When serial correlation exists in the residuals, it means that the errors in the model are not independent and are related to each other. This violates the IID assumption and can lead to biased and inefficient estimates of the regression coefficients. In other words, the estimated coefficients may not accurately represent the true relationship between the independent and dependent variables.

Additionally, serial correlation in the residuals can affect the statistical significance of the regression model. If the residuals are serially correlated, the standard errors of the regression coefficients may be underestimated, leading to inflated t-values and p-values. As a result, variables that are actually not significant may appear to be significant in the presence of serial correlation.

To address the problem of serial correlation in the residuals, various techniques can be applied, such as transforming the data, including lagged variables in the model, or using time series analysis methods. These techniques aim to account for the dependence structure in the data and produce reliable estimates of the regression coefficients.

In summary, serial correlation is often present in time series data due to the inherent dependence between consecutive observations. However, its presence in the residuals of a regression model can be problematic as it violates the assumption of IID errors and can lead to biased estimates and incorrect statistical inferences. Proper techniques should be employed to address serial correlation and ensure the validity of the regression analysis.

To learn more about Serial correlation:

https://brainly.com/question/20348661

#SPJ11

Answer:

a = -3

Step-by-step explanation:

Step 1:  Since we're told that 5 to the power of a = 1/125, we can use the following equation to solve for a:

5^a = 1/125

Step 2:  Take the log of both sides

log(5^a) = log(1/125)

Step 3:  According to the power rule of logs, we can bring a down and multiply it by log(5):

a * log(5) = log (1/125)

Step 4:  Divide both sides by log(5) to solve for a:

(a * log(5) = log(1/125)) / log(5)

a = -3

Optional 5:  We can check our answer by plugging in -3 for a and seeing if we get 1/125 when completing the operation:

5^-3 = 1/125

1/(5^3) = 1/125 (rule of exponents states that a negative exponent creates a fraction with 1 as the numerator and the base (5) and exponent (-3 becoming 3) as the denominator

1/125 = 1/125

1) Estimate value of the product of 2/3 and 0.55 is, 2/3.

2) The fraction part is, 55 / 100

3) The product of the two numbers is, 11/30

We have to given that,

Estimate the product of 2/3 and 0.55.

And, Convert the decimal 0.55 to a fraction.

And, The product of the two numbers.

Now,

Estimate the product of 2/3 and 0.55,

So, we can round 0.55 to the nearest whole number, which is 1.

Then, multiply 2/3 by 1 to get an estimate of the product.

so, The correct answer is 2/3.

Now, we can convert the decimal 0.55 to a fraction,

= 0.55

= 55/100

= 11/20

Thus,  The correct answer is, 55/100.

And,  the product of 2/3 and 0.55,

= 2/3 x 55/100

= 110/300

= 11/30.

Hence, The correct answer is, 110/300 or 11/30

To know more about denominators visit-

brainly.com/question/29855437

#SPJ1

Given:

Markers are sold in packages of 12 and pens are sold in packages of 8.

To find:

Least amount of markers and pens Rick needs to buy to have an equal number of markers and pens

Solution:

To find the least amount of markers and pens, we need to find the LCM of 12 and 8.

Prime factors of 8 and 12 are

\(8=2\times 2\times 2\)

\(12=2\times 2\times 3\)

To find the LCM, multiply all factors but the common factors are included only once.

\(LCM(8,12)=2\times 2\times 2\times 3\)

\(LCM(8,12)=24\)

Therefore, the least amount of markers and pens Rick needs to buy to have an equal number of markers and pens is 24.

The solution of 30 \(\div\) 5 is 6 by the method shown in the question.

Using the same method given in the question, we can solve 30 \(\div\) 5

We can express 30 as the sum of 25 and 5, and dividing both 25 and 5 by 5,

⇒ 30 / 5 = ( 25 / 5 ) + ( 5 / 5 )

= 5 + 1

= 6

Therefore, 30 ÷ 5 equals 6. The division process involves breaking down the number into two numbers, so that the second number gives 1 after dividing by the divisor and then adding it with the division of first number by the divisor.

Know more about division,

https://brainly.com/question/28119824

#SPJ1

Answer:

22

Step-by-step explanation:

Answer:

i am confused on what you are asking but if you explain it i would love to help

Step-by-step explanation:

Answer:1/3

Step-by-step explanation:

3p- -5=6

- and - becomes +

3p+5=6

transpose 5 to the other side

3p=6-5

because on transposing + becomes -

3p=1

p=1/3

because multiplication changes to addition on transposing

please mark me as brainly .

Answer:4,-4

Step-by-step explanation:

Not good with graphing stuff think this id right tho

The value of the expression is 4.

The code :

int a[4] = {1, 2, 3, 4};

int *p = a;

what is *(p + 3)?

The variable a is an array of integers, and the variable p is a pointer to the first element of the array.

The expression *(p + 3) is the value of the element of the array that is 3 elements after the element that p points to.

Since p points to the first element of the array, the expression *(p + 3) is the value of the fourth element of the array, which is 4.

Therefore, the value of the expression is 4.

Here is a breakdown of the code:

int a[4] = {1, 2, 3, 4}: This line declares an array of integers called a and initializes it with the values 1, 2, 3, and 4.

int *p = a; This line declares a pointer to an integer called p and initializes it with the address of the first element of the array a.

what is *(p + 3)?: This line asks what the value of the expression *(p + 3) is.

The expression *(p + 3) is the value of the element of the array that is 3 elements after the element that p points to.

Since p points to the first element of the array, the expression *(p + 3) is the value of the fourth element of the array, which is 4.

Therefore, the value of the expression is 4.

To learn more about expression here:

https://brainly.com/question/28170201

#SPJ4

Correct Question :

Int a[4]={1,2,3,4}, int *p=a. What is the value of *(p+3)?

True. In a pairwise scatter plot matrix, each scatterplot represents the relationship between two variables.

Since the scatterplot between variable X and variable Y is the same as the scatterplot between variable Y and variable X, the matrix is perfectly symmetric.

The scatterplot at the lower-left corner is indeed identical to the one at the upper-right corner. This symmetry is a result of the fact that the relationship between X and Y is the same as the relationship between Y and X.

Learn more about matrix here:

https://brainly.com/question/29132693

#SPJ11

X is a vertical angle to the angle marked as 100 degrees.

Vertical angles are the same so x = 100 degrees

Answer: 100 degrees

Answer:

-0.0103

Step-by-step explanation:

just dived it

a) The value of population mean is 89.47.

b) The value of the sample estimate is 89.47.

c) The confidence interval is (86.16, 92.78).

d) The margin of error is 3.31.

e) The confidence interval in part (c) is (86.16, 92.78).

f) According to the results of dr. Brenner's study,  it is reasonable to conclude that internet executives have a mean stress level in the dangerous level.

n = 15

Sample space = 94 78 83 90 78 99 97 90 97 90 93 94 100 75 84

a) The value of population mean is:

= 94+ 78+ 83+ 90+ 78+ 99+ 97+ 90+ 97+ 90+ 93+ 94+ 100+ 75+ 84/15

= 89.47

b) The value of the sample estimate is 89.47.

c) Standard deviation is defined as the square root of the mean of a square of the deviation of all the values of a series derived from the arithmetic mean. For above data, standard deviation is:

σ = 7.804

For 99% confidence interval, z = 1.645

∴ CI = μ ± z× σ/√n

= 89.47 ± 1.645 × 7.804/√15

= 89.47 ± 3.31

= (86.16, 92.78)

d) Margin of error = 92.78 - 86.16/2 = 3.31

e) The confidence interval in part (c) is (86.16, 92.78).

f) A scope above 80 indicates stress at a dangerous level. The mean stress level is 89.47 which is greater than 80. Thus, according to the results of dr. Brenner's study,  it is reasonable to conclude that internet executives have a mean stress level in the dangerous level.

Thus,

a) The value of population mean is 89.47.

b) The value of the sample estimate is 89.47.

c) The confidence interval is (86.16, 92.78).

d) The margin of error is 3.31.

e) The confidence interval in part (c) is (86.16, 92.78).

f) According to the results of dr. Brenner's study,  it is reasonable to conclude that internet executives have a mean stress level in the dangerous level.

To learn more about confidence interval, visit brainly.com/question/24131141

#SPJ4

Answer:

5

Step-by-step explanation:

Find the prime factorization for both of them

10=2 x 5

125=5 x 5 x5

What factors are common in both of them: 5

Answer:

hey is the answer best the of the answer 7372826372828273522826w is the you in the world of and private y4y3yey3727 7372826372828273522826w in 7372826372828273522826w for the is and the best 27th 72u3y3673yrhe to your the is is round and round and a the phone number

Answer:

The measure of angle WVX is 140°.

Step-by-step explanation:

Let x be the measure of angle WVX.

\( \frac{14}{9} \pi = 2x\)

\( x = \frac{7}{9} \pi( \frac{180}{\pi}) = 140 \: degrees\)

Answer:

angle = arc length/radius
in this case, the arc length is 14/9*\(\pi\) and the radius is 2. Upon multiplying these, you get 140.

so, the answer is 140 degrees.

Answer:

21/4 x 51/2 - k use the app Photomate if wrong