The Manager of the College Cafeteria Wants to Estimate the Mean

question 95

Multiple Choice

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