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In: Statistics and Probability

PHSTAT ONLY!!!! Instructions: Show your complete solution. Simply giving the final answer without showing your calculations...

PHSTAT ONLY!!!!

Instructions: Show your complete solution. Simply giving the final answer without showing your calculations will NOT merit any points. If you’re using PhStat or Excel calculations, upload the excel file. You can also cut and paste the Excel work output on a word file, and upload it here.

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. (4 pts)

2. Find the probability that more than 6 but less than 14 of the hotels in the sample offered hairdryers in the bathrooms. (4 pts)

NOTE: CLEARLY SHOW YOUR SOLUTIONS FOR EACH.

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Expert Solution

orchestra answered 1 year ago
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