7 of 8 ⠀ 7 9. (10pts) NBC reports that Americans watch a mean of 30 minutes of television per evening. We conduct a rese

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7 Of 8 7 9 10pts Nbc Reports That Americans Watch A Mean Of 30 Minutes Of Television Per Evening We Conduct A Rese 1 (77.9 KiB) Viewed 8 times

7 of 8 ⠀ 7 9. (10pts) NBC reports that Americans watch a mean of 30 minutes of television per evening. We conduct a research study in an attempt to prove that the mean is less. In a sample of 150 Americans, the sample mean was 28 minutes per evening with a standard deviation of 10 minutes. (a) (2pts) Develop the null and alternative hypotheses: (b) (5pts) At a = 0.03, determine if the researcher collected sufficient. data to Reject Ho. Show all supporting work using only the methods. learned in class. (c) (3pts) Based on your answer in part (b), what is your conclusion as it applies to THIS SITUATION?