The state of Connecticut 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 17.8 years with a standard deviation of 6.8 years. Conduct a hypothesis to test the state of Connecticut's claim. Use 5% significance level. What type of test should be run? t-test of a mean z-test of a proportion The alternative hypothesis indicates a right-tailed test left-tailed test two-tailed test Calculate the p-value. Round to 4 decimal places. 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

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The state of Connecticut 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 17.8 years with a standard deviation of
6.8 years. Conduct a hypothesis to test the state of Connecticut's claim. Use 5% significance level.
What type of test should be run?
t-test of a mean
z-test of a proportion
The alternative hypothesis indicates a
right-tailed test
left-tailed test
two-tailed test
Calculate the p-value. Round to 4 decimal places.
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
Transcribed Image Text:The state of Connecticut 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 17.8 years with a standard deviation of 6.8 years. Conduct a hypothesis to test the state of Connecticut's claim. Use 5% significance level. What type of test should be run? t-test of a mean z-test of a proportion The alternative hypothesis indicates a right-tailed test left-tailed test two-tailed test Calculate the p-value. Round to 4 decimal places. 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
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