Question: Let f(x) be the probability density function for the lifetime of a manufacturer's highest quality car tire, where is measured in miles. Explain the meaning

Let f(x) be the probability density function for the lifetime of a manufacturer's highest quality car tire, where is measured in miles. Explain the meaning of each integral.
a.

40,000 f(x) dx 30,000 5.000 f(x) dx

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