3
QuizMultiple Choice
Sampling Distribution of the Sample Proportion
Question 3 of 10 • NC-Math 4
The proportion of twins born in a town is p = 0.12. Suppose we randomly select 100 women from this town who give birth in the next year. Which of the following is the mean of the sampling distribution of ?
Answer
A
Mu Subscript p hat = p = 0.12
B
Mu Subscript p hat = n p = 100 (0.12) = 12
C
Mu Subscript p hat = 1 minus p = 1 minus 0.12 = 0.88
D
Mu Subscript p hat = n (1 minus p) = 100 (1 minus 0.12) = 88