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According to a recent Gallup Poll 77 of Americans report that they are better off...

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According to a recent Gallup Poll 77 of Americans report that they are better off financially today than they were a year ago Let p be the proportion of people in a random sample of 341 Americans that say that they are better off financially today than they were a year ago Determine the following probabilities Round solutions to four decimal places if necessary Find the probability that in a random sample of 341 Americans less than 72 say they are better off financially today than they were a year ago P p 0 72 Find the probability that in a random sample of 341 Americans between 69 and 75 say they are better off financially today than they were a year ago P 0 69 p 0 75

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