the average demand for rental skis on winter saturdays at a particular area is 150 pairs, which has been quite stable over time. there is variation due to weather conditions and competing areas; the standard deviation is 20 pairs. the demand distribution seems to be roughly normal. the rental shop stocks 170 pairs of skis. what is the probability that demand will exceed this supply on any winter saturday? round your answer to four decimal places.
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the average demand for rental skis on winter saturdays at a particular area is 150 pairs, which has...
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