Use the Following Information for Questions:
for a Random $\mu$

Multiple Choice

Use the following information for questions:
For a random sample of n = 203 adults in a survey, here is a summary of responses to "How long did you sleep last night?"
-What confidence level would be associated with the interval 6.42 - 0.11 as a confidence interval for the population mean $\mu$ ?

A) 50%
B) 68%
C) 90%
D) 95%