What is the length of a call if calls are shorter

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Reference no: EM13135954

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.)

Reference no: EM13135954

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