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11-04-2024
Mathematics

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A tire company makes tires that have a normal distribution with a mean of 70000 miles and a standard deviation of 2000 miles prior to needing replacement. Use R/Rcmdr to find the probability that a tire lasts between 66000 to 74000 miles.
a. 0.977
b. 0.023
c. 0.046
d. 0.954

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