Mathematics, 14.05.2021 02:00 olson1312

The life of a certain type engine is normally distributed with a mean of 10 years, and a standard of 1.5 years. If one engine is randomly selected, what is the probability that the life of this engine is between 8 and 13 years

What is the parameters?

Construct the normal distribution density curve, then shade your seeking area.

Find the probability.

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