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The lengths of time​ (in years) it took a random sample of 32 former smokers to...

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 4.2 years. At alphaequals0.02​, 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). 13.9 8.6 15.7 13.7 11.9 13.6 14.1 22.8 8.9 16.5 9.8 7.8 11.6 12.1 21.4 19.9 18.4 16.7 11.6 19.2 16.8 22.4 21.6 15.5 14.4 19.5 20.7 11.5 21.3 13.5 10.9 14.1 Identify the claim and state the null hypothesis and alternative hypothesis. find z find p outcome?

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