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匿名
匿名 發問於 科學及數學數學 · 5 年前

Probability Question

Hits to a high-volume Web site are assumed to follow a Poisson distribution with a

mean of 10, 000 per day.

(a) Approximate (by a normal distribution) the expected number of days in a year

(365 days) that exceed 10, 200 hits.

(b) Approximate (by a normal distribution) the probability that over a year (365 days)

more than 15 days each have more than 10, 200 hits.

Please show steps and refer the normal distribution table.

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