Suppose the life span of a calculator manufactured by Texas Instruments has a normal distribution with a mean of 54 months and a standard deviation of 8 months. The company guarantees that any calculator that starts malfunctioning within 36 months of the purchase will be replaced by a new one. About what percentage of calculators made by this company are expected to be replaced?

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A: Given: Empty buckets 10 no of balls n P=110   =0.1

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Q: probility

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Q: Statistics released by a reputable traffic safety organization show that on an average weekend…

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A: