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websign.net 14. [-/16 Points) DETAILS MY NOTES ASR YOUR TEACHER A random survey of 75 deathrow inmates revealed that the mean length of time on death row is 17.7 years with a standard deviation of 6.3 years. Conducta hypothesis to determine if the population mean time on death row could likely he 15 years or not Portal Is this a lot of one mean or proportion? tout of one mean test of proportions Part Share the null and female se Mw.15 Me 15 Hai 15 Mo #215 HN15 MO15 HAN.15 H>15 Part Is this a righ-ale luftled, or two-lated test? High taled best of tales two-tailed est

What ymbol represente non ti to this est? Parte In worde, done the random van for the test the ward deviation of time spent on throw for 75 the meantime spent on a row of Tim the amount of time spent on death row for inte the number of inmates onderw the proportion of time spent on a row for 75 e Partin Is the population standard deviation know? Yes NO If so, what is inter your one decims place if the station is to rows DNE

to Parton Part Calculate the following Enter your answer to one decimal place Enter your answer to one decimal place f) Enter your awe as a whole number Part Which test should be used Normal test Students Part Partin Find the value Round your answer to four decimal places)

0 Parth) Part 9 Part Part) At a pre-conceived a 0.05, what do you determine for each of the following? Decision: reject the null hypothesis do not reject the null hypothesis () Reason for the decision Since <p-value, we do not reject the null hypothesis Since a <p-value, we reject the null hypothesis Sincea> p-value, we do not reject the null hypothesis Since a > p-value, we reject the null hypothesis (m) Conclusion (write out in a complete sentence) There is sufficient evidence to conclude that the mean length of time on death row is not 15 years There is not sufficient evidence to conclude that the mean length of time on death row is not 15 years