Statistics - Hypothesis
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For the following questions answer the following
(1)State your hypothesis
(2)Sketch your distribution displaying critical values
(3)Show the calculation of your test statistic
(4)State your decision regarding your hypothesis
Question 1: In a Gallup poll, 1,402 randomly selected adults were surveyed and 396 of them smoked in the past week. Use (alpha) = .10 to test the claim that not more than 30% of adults have smoked within the past week.
Question2: In a recent year, some professional baseball players complained that umpires were calling more strikes than the average rate of 64% called in the previous year. During a given period, one umpire called 2,725 strikes out of 4,217 pitches thrown. Use (alpha)=.02 to test the claim that this umpires strike rate is greater than 64%.
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sqrt pq
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n
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Solution Summary
The hypothesis distribution is examined. A complete, neat and step-by-step solution is provided in the attached Excel File.
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