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Please answer all this questions if you can't do not answer just one thanks1 point) The U.S. Bureau of the Census conducts nationwide sureys on characteristics of U.S. households. Household size Relative Frequency 0.125 0.125 0.075 0.2 0.325 0.125 0.025 4 6 7 Total a) Use the previous relative frequency distribution to obtain the percentage of U.S. households that are between sizes 3 and 5. answer. b) Use your answer from part a) to estimate the area under the corresponding normlvethat lies between 3 and 5 answer.

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(a) The z-score for X-539 is 3359-530.19 27 So the probability that a single student randomly chosen from all those taking th

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