question archive A random survey of 75 death row inmates revealed that the mean length of time on death row is 17
A random survey of 75 death row inmates revealed that the mean length of time on death row is 17
Subject:StatisticsPrice: Bought3
A random survey of 75 death row inmates
revealed that the mean length of time on death row is 17.4 years with a standard deviation of 6.3 years. Conduct a hypothesis test to determine if the population mean time on death row could likely be 15 years.
-Is this a test of one mean or proportion?
-State the null and alternative hypotheses.
-H0: ____________________ Ha : ____________________
-Is this a right-tailed, left-tailed, or two-tailed test?
-What symbol represents the random variable for this test?
-In words, define the random variable for this test.
-Is the population standard deviation known and, if so, what is it?
-Calculate the following:
-x=
-s =
-n =
-Which test should be used?
-State the distribution to use for the hypothesis test.
-Find the p-value.
-At a pre-conceived α = 0.05, what is your:
-Decision:
-Reason for the decision:
-Conclusion (write out in a complete sentence):
