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Title: Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure ... Post by: Bjornio on Dec 30, 2021 Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the normal probability distribution with a mean of $387.20 and a standard deviation of $68.50. The interval around the mean that contains 95% of the airfares is ________.
▸ $352.95, $421.45 ▸ $318.70, $455.70 ▸ $284.45, $489.95 ▸ $250.20, $524.20 Title: Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure ... Post by: dora19 on Dec 30, 2021 Content hidden
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