Approximately 68% of the samples of size 150 will fall between 27% and 35% of the students claiming they exercise at least 3 times a week.The proportion of the sample who work out at least 3 times a week is 0.04.In simple random samples of size 150, the sample proportion of students who exercise at least 3 times a week will typically vary by about 0.04 from the true proportion of 0.31.In simple random samples of size 150, the sample proportion of students who exercise at least 3 times a week will always vary by exactly 0.04 from the true proportion of 0.31.
Answer
A
Approximately 68% of the samples of size 150 will fall between 27% and 35% of the students claiming they exercise at least 3 times a week.
B
The proportion of the sample who work out at least 3 times a week is 0.04.
C
In simple random samples of size 150, the sample proportion of students who exercise at least 3 times a week will typically vary by about 0.04 from the true proportion of 0.31.
D
In simple random samples of size 150, the sample proportion of students who exercise at least 3 times a week will always vary by exactly 0.04 from the true proportion of 0.31.