Mathematics, 23.03.2021 02:20 maxicanofb0011
The lifetime (in miles) of bicycle tires produced by a manufacturer is a normally distributed random variable with a mean of 3000 miles and a standard deviation of 150 miles. Marketing research by the manufacturer has indicated that if a tire lasts 3270 or more miles, the customer will definitely purchase another of these tires. What percentage of all tires produced by this company will have a lifetime of 3270 or more miles?
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