the annual precipitartion rate in a certain mountgsin range are normally distributed with a mean of 109 inches and a sta
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the annual precipitartion rate in a certain mountgsin range are normally distributed with a mean of 109 inches and a sta
the annual precipitartion rate in a certain mountgsin range arenormally distributed with a mean of 109 inches and a standarddeviation of 10 inches. what is the probabilitythat the meanannual precipitation during 25 randomly picked years will be lessthan 111.8 inchesd