Prob 4.50 - Rating Poor Below average Average Above average...

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6e7c737917d3df11e122bbe70e6fc8904b1ab120.xls data Rating Freq Poor 4 Below average 8 Average 11 Above average 14 Excellent 13 Notes: The sample space is the 5 outcomes: A viewer must choose one and only one rating, so the outcomes are mutually exclusive. As a random sample, the viewers are strangers to each other. Moreover, the viewers are are probably not allowed to discuss their opinions, but must rate alone on the basis of their own individual opinion. As a result, the viewers ratings are independent of each other. S = { poor, below average, average, above average, excellent }
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6e7c737917d3df11e122bbe70e6fc8904b1ab120.xlsprob distribution Rating Freq Prob Notes: Poor 4 0.0800 Below average 8 0.1600 Outcomes are mutually exclusive. Average 11 0.2200 Viewer responses are independent. Above average 14 0.2800 Excellent 13 0.2600 sums = 50 1.0000 Probabilities are assigned using the relative frequency method. (E.g., 4 of the 50 viewers rated the show as poor, that is, 8% of those sampled rated
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Prob 4.50 - Rating Poor Below average Average Above average...

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