The lengths of time​ (in years) it took a random sample of style=

The lengths of time​ (in years) it took a random sample of style=”color:#000000;”>32former smokers to quit smoking permanently are listed. Assume the population standard deviation is 4.4years. At α=0.08 is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is  13 years?  Complete parts​ (a) through​ (e).
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