Sampling Distribution of the Sample Proportion — Quiz
Question 8 • Math 4
A professional tennis player has a serve-return rate of p is equal to 0 point 7 1 A random sample of 55 serve returns is selected. Which of the following is the mean of the sampling distribution of hat p ?
Answer
A
mu sub hat p is equal to n times open paren 1 minus p close paren is equal to 55 times open paren 1 minus 0 point 7 1 close paren is equal to 15 point 9 5
B
mu sub hat p is equal to n p is equal to 55 times 0 point 7 1 is equal to 39 point 0 5
C
mu sub hat p is equal to p is equal to 0 point 7 1
D
mu sub hat p is equal to 1 minus p is equal to 1 minus 0 point 7 1 is equal to 0 point 2 9