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# (Solved): Clgarette Smoking A researcher found that a cigarette smoker smokes on average 33 cigarettes a day. ...

Clgarette Smoking A researcher found that a cigarette smoker smokes on average 33 cigarettes a day. She feels that this average is too high. She selected a random sample of 10 smokers and found that the mean number of cigarettes they smoked per day was 27. The sample standard deviation was $$2.5$$. At a $$=0.01$$, is there enough evidence to support her claim? Assume that the population is approximately normally distributed. Use the $$P$$-value method and tables. Part: $$0 / 5$$ Part 1 of 5 (o) State the hypotheses and identify the claim. (a) State the hypotheses and identify the claim. $\begin{array}{l} H_{0}: \\ H_{1} \text { : } \end{array}$ This hypothesis test is a test. (a) State the hypotheses and identify the claim. (b) Compute the test value. (c) Find the interval for the $$P$$-value. (d) Make the decision. (e) Summarize the results.

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