Sound City sells the ClearTone-400 satellite car radio

Subject:StatisticsPrice: Bought3

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Sound City sells the ClearTone-400 satellite car radio. For this radio, historical sales records over the last 100 weeks show 3 weeks with no radios sold, 25 weeks with one radio sold, 30 weeks with two radios sold, 30 weeks with three radios sold, 7 weeks with four radios sold, and 5 weeks with five radios sold. Calculate µ_x, s_x², and s_x, ofx, the number of ClearTone-400 radios sold at Sound City during a week using the estimated probability distribution.