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Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and symmetrical with a mean of 160 euros and a

Suppose the nightly rate for a three-star hotel in Paris is thought to be bell-shaped and symmetrical with a mean of 160 euros and a standard deviation of 8 euros. What is the percentage of hotels with rates between 144 and 176 euros?

at least 89

approximately 95

approximately 68

at least 75

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