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Bjornio Bjornio
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3 years ago
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
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Business Statistics

Business Statistics


Edition: 2nd
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dora19dora19
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3 years ago
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Bjornio Author
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3 years ago
Thanks for your help!!
gage
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Yesterday
Thanks
dri
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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