The manager of the college cafeteria wants to estimate the mean amount spent per customer per
Purchase. A sample of 10 customers revealed the following amounts spent:
Find the 99 percent conﬁdence limits for the mean amount spent.
Sample mean = $4.53, s = $1.00
A) 3.53 and 5.53
B) 3.50 and 5.56
C) 3.48 and 5.58
D) 3.84 and 5.85
E) 3.35 and 5.35

Question

The manager of the college cafeteria wants to estimate the mean amount spent per customer per
Purchase. A sample of 10 customers revealed the following amounts spent: 
Find the 99 percent conﬁdence limits for the mean amount spent.
Sample mean = $4.53, s = $1.00
A) 3.53 and 5.53 
B) 3.50 and 5.56 
C) 3.48 and 5.58 
D) 3.84 and 5.85 
E) 3.35 and 5.35

Quizplus · Accepted Answer

3.50 and 5.56

The Manager of the College Cafeteria Wants to Estimate the Mean