The lengths of time in years it took a random sample of 32
Last updated: 5/16/2023
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 6 4 years At a 0 02 is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 14 years Complete parts a through e 16 8 14 1 22 1 17 8 19 4 D 16 4 18 9 8 5 16 8 7 1 8 9 20 5 16 2 19 6 14 5 12 3 10 4 11 7 21 4 12 9 13 6 14 7 10 5 21 2 22 2 22 6 9 8 9 5 19 5 15 4 12 4 15 4 a Identify the claim and state the null hypothesis and alternative hypothesis O A Ho 14 OB Ho H 14 claim H 14 Ha 14 claim O D Ho H 14 claim Ha H 14 O E Ho 214 claim Ha 14 OA Fail to reject Ho There is not sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 14 years b Identify the standardized test statistic Use technology Z Round to two decimal places as needed c Find the P value Use technology P Round to three decimal places as needed d Decide whether to reject or fail to reject the null hypothesis and e interpret the decision in the context of the original claim at the 2 level of significance OC Reject Ho There is not sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 14 years OB OC Ho 14 claim Ha H 14 OD OF Ho 14 claim Ha H 14 Fail to reject Ho There is sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 14 years Reject Ho There is sufficient evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 14 years