At West High, 45% of the students play sports while at East High 40% of the students play sports. Random samples of 50 students from each large high school are selected. Let pW-pE be the difference in the sample proportion of the students that play sports. What is the shape of the sampling distribution of pW-pE ? Why?

What is the mean of the sampling distribution of pW-pE ?

What is the standard deviation of the sampling distribution of pW-pE ? Why?

What is the probability of the students that play sports in the sample from East High greater than the proportion of students that play sports in the sample from West High?

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step-by-step explanation:

table 3 represents a direct variation function. : )

constant of proportionality = 3 and the equation is c = 3p.

step-by-step explanation:

c = kp   where c = amount of caffeine in mg., p = oz of pepsi and k is the constant of proportionality.

substituting the values given:

24 = 8k

k = 3.

the same value of k will be obtained if we substitute the other given values.

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076