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 16.9 years with a standard deviation of 5.5 years. Conduct a hypothesis to test the state of CT's claim.

What type of test should be run?

a. t-test of a mean

b. z-test of a proportion

The alternative hypothesis indicates a

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

Calculate the p-value. _________________

What is the decision?

• We fail to reject the claim that the average time on death row is 15 years
• We reject the claim that the average time on death row is 15 years