Employees in a large company are entitled to 15-minute water breaks. A random sample of the duration

of water breaks for 10 employees was taken with the times shown as: 12, 16, 14, 18, 21, 17, 19, 15, 18,
and 16. Assuming that the times are normally distributed at the 5% significance level

What test do you need to use?

State the null and alternative hypotheses.

What is the p-value?

What is the conclusion (2-part)?

Find the 95% Confidence Interval