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The lifespan of electric scooter engines follows a normal distribution with = 6500 hours, and =600 hours. Find the probability that the mean engine lifetime

The lifespan of electric scooter engines follows a normal distribution with = 6500 hours, and =600 hours.

Find the probability that the mean engine lifetime of a random sample of 8 electric scooters is less than 5000 hours. Provide necessary R code to calculate the answer, as well as the output of the code.

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