The state of CT claims that the average time on death row is 15 years. A random survey of 75 death row inmates revealed that the average length of time on death row is 18 years with a standard deviation of 5.7 years. Conduct a hypothesis to test the state of CT's claim.

What type of test should be run? (choose one)

• t-test of a mean
• z-test of a proportion

The alternative hypothesis indicates a (choose one)

• left-tailed test
• two-tailed test
• right-tailed test

Calculate the p-value.=__________________