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Hom xDo Homework- Amy Da c Secure l https://www.mathal Apps Horne work aspx homeworkId-435628047&question; d 1&Ashed; talse O Watch TV Online, Pay XFINITY TV New Tab Watch TV Online, Pay sign in uder omework: Week 7 Homework 40 pts core: 0 of 4 pts 2.35-T 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 5 9 years.A HW Score: 37.5%, 15 of 41 aeston Help a 006, 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) 87 186 14.5 155 148 19.1 155 102 98 178 87 194 85 18.7 149 14.9 (a) Identify the claim and state the null hypothesis and alternative hypothesis ° C. Ho s14 (clam) Ha > 14 A. Ho # 14 (claim) O B. Ho > 14 (claim) Ha-14 Enter your answer in the answer box and then click Check Answer parts Clear All 3:19 Type here to search

Explanation / Answer

The statistical software output for this problem is:

One sample Z hypothesis test:
: Mean of variable
H0 : = 14
HA : 14
Standard deviation = 5.9

Hypothesis test results:

Hence,

b) z = 1.47

Variable n Sample Mean Std. Err. Z-Stat P-value var1 32 15.53125 1.0429825 1.4681454 0.1421

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