Explore BrainMass

Explore BrainMass

    Statistics - Hypothesis

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    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%.

    sqrt pq

    © BrainMass Inc. brainmass.com December 15, 2022, 8:01 pm ad1c9bdddf

    Solution Summary

    The hypothesis distribution is examined. A complete, neat and step-by-step solution is provided in the attached Excel File.