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A national trend predicts that women will account for half of all business travelers in the next 3 years. To

attract these women business travelers, hotels are providing more amenities that women particularly like. A recent survey of American hotels found that 60% offer hairdryers in the bathrooms. Consider a random and independent sample of 15 hotels.

1. Find the probability that at least 9 of the hotels in the sample do not offer hairdryers in the bathrooms.

2. Find the probability that more than 6 but less than 14 of the hotels in the sample offered hairdryers in the bathrooms.

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a) Using Binom excel function , the probability that 9 do not have means at most 6... View the full answer

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