Author Question: In an effort to identify the true proportion of college freshman who are under 18 years of age, a ... (Read 25 times)

bobypop · **on:** Jun 24, 2018

In an effort to identify the true proportion of college freshman who are under 18 years of age, a random sample of 500 freshmen was taken. Fifty of them were under the age of 18 . The value 0.10 is a point estimate of the true proportion of freshman under age 18.
Indicate whether the statement is true or false

Question 2

The sample correlation coefficient between x and y is 0.375 . It has been found out that the p-value is 0.256 when testing H0: = 0 against the two-sided alternative H1: 0 . To test H0: = 0 against the one-sided alternative H1: > 0 at a significant level of 0.193, the p-value will be equal to
a. 0.128
b. 0.512
c. 0.744
d. 0.872