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Statistics :Probability

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Cruise ships of the Royal Viking line report that 80 percent of their rooms are occupied during September. For a cruise having 800 rooms, what is the probability that 665 or more are occupied in September.

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Solution contains calculation of the probability that 665 or more rooms are occupied in September

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Historical probability of room ocupancy p0 = 0.8
number of rooms n = 800
sample probability ps = 665/800 = 0.83125

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