A video store manager observes that the number of videos sold seems to vary inversely as the price per video. If the store sells 550 videos per week when the price per video is $10.10, how many does he expect to sell if he raises the price to $14.70? Round your answer to the nearest integer if necessary.

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A: n=60,x¯=1,σ=0.25,CI=95%=0.95α=1−CI=1−0.95=0.05

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