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Chamberlain Co X D Course Home Pag X C Chegg Study I Gui x P Take a Test Ties x Upload Document X a C Secure https:// com www.mathxl Applied Managerial Statistics (100) Tiesha McGrew & Quiz: Final Exam Time Remaining: 02:16:15 Submit Quiz This Question: 14 pts 20 of 24 (22 complete) This Quiz 250 pts possible The lengths of time (in years) ittook a random sample of 32 former smokers to quit smoking permanently are listed. Assume the population standard deviation is 4.4 years. At o -0.08, 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) 8.3 12.2 19.2 12.8 12.5 19.3 16.9 19.2 11.6 12.8 20.5 11.1 19.9 21.7 8.4 9.6 22.1 14.1 11.9 14.4 21.4 12.2 18.5 18.5 22.4 17.5 20.5 22.6 20.1 15.7 11.1 14.6 O A. Ho: H 14 O C. Ho: H 14 (claim) O B. Ho: H214 (claim) Ha us 14 (claim) Ha: 14 Ha: H 14 O D. Ho: H 14 (claim O E. Ho: u 14 (claim) O F. Ho: u s 14 (claim) Ha u> 14 Ha us 14 Ha: H-14. Click to select your answer(s) 4:45 AM W WI Ask me anything 2/22/2017

Explanation / Answer

here, mean = 14 , Std. deviation = 4.4 , n = 32

So, hypothesis test are as;

H0 : mean = 14 ( Claim)

Ha : mean not equal to 14

Answer is Option C)

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