Unformatted text preview: e) Find the actual probability that x falls within the interval of part d). (1 Point) Problem 2 : A consumer advocate claims that 80 percent of cable television subscribers are not satisfied with their cable service, and suppose that a random sample of 25 cable subscribers is selected. Let x be the number of cable television subscribers who are not satisfied with their cable service. Find the probability that a) More than 20 subscribers are not satisfied with their service. (1 Point) b) 14 to 18 subscribers (inclusive) are not satisfied with their service. (1 Point) c) Find the mean of x . (1 Point) d) Find the standard deviation of x . (1 Point)...
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 Spring '11
 WinnieLi
 Statistics, Probability, cable television subscribers

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