What is the probability that a call lasted between 180 and, Ask an Expert

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An analysis of 1,000 cellular phone calls made from company phones at the offices of Kant, Taekitini, Moore, LLC reveals that the length of these calls is normally distributed, with m = 240 seconds and s = 40 seconds.

What is the probability that a call from one of these phones will last less than 180 seconds? (Round to three decimals.)

What is the probability that a call lasted between 180 and 300 seconds? (Round to three decimals.)

What is the length of a call if only 1% of all calls are shorter? (Round to one decimal.)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9416139

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