Question

stacy perales& 1 1/25/19 12:27 PM Quiz: Ch 7 Quiz Time Remaining: 01:57 29 Submit Quiz This Question: 1 pt 8of9 (0 complete) This Quiz: 9 pls possible The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are listed Assume the population standard deviation is 52 years. At α = 0 01, is there enough evidence to re ect the claim that the mean time takes smokers to quit smoking permanently is 13 yers? Complete parts through (e) 82 9.3 21.3 9.4 16.1 156 20.6 19.8 8.3 13.7 22.6 99 14.1 7.7 113 19.4 15.4 15.1 126 16.4 184 18.3 144 22.8 102 11.5 168 86 116 15.7 197 16.2 (Round to two decimal places as needed) (c) Find the P-value. Use technology P-(Round to three decimal places as needed) Gra the nul hypothesis and (e) interpret the decision in the context of the original claim at the 1% level of sigéaee Reject Ho There is sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 13 years not sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 13 years. A. O B. Reject Ho There is There is not sufficient evidence to reject the claim that O D. Fail to reject Ho There is suffient evidence to reject the claim that the Click to select your answer(s) arson arch

Answer 1

from above z =1.87

c)p value =0.061 ( please try 0.062 if this comes wrong)

d)

option C is correct