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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
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 4.1 years. At alphaequals0.06, 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). 10.4 16.8 11.8 12.1 14.6 20.2 7.3 11.9 9.6 11.6 20.9 18.3 15.1 17.1 10.9 18.5 21.8 10.1 7.2 17.6 21.8 19.3 19.2 7.2 18.9 10.8 16.4 16.7 21.7 20.6 11.8 12.4 Question content area bottom Part 1 (a) Identify the claim and state the null hypothesis and alternative hypothesis. A. Upper H 0: muequals14 (claim) Upper H Subscript a: munot equals14 B. Upper H 0: mugreater than14 Upper H Subscript a: muless than or equals14 (claim) C. Upper H 0: muless than or equals14 (claim) Upper H Subscript a: mugreater than14 D. Upper H 0: munot equals14 (claim) Upper H Subscript a: muequals14 E. Upper H 0: mugreater than14 (claim) Upper H Subscript a: muless than or equals14 F. Upper H 0: mugreater than or equals14 (claim) Upper H Subscript a: muless than14
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