Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
A sample of 148 college students at a large university reports getting an average of 6.85 hours of sleep last night with a standard deviation of 2.12 hours.
-Construct a 98% confidence interval for the average amount of sleep students at this university got last night. Use two decimal places in your margin of error.

A) 6.44 to 7.26 hours
B) 6.49 to 7.21 hours
C) 6.53 to 7.17 hours
D) 6.38 to 7.32 hours