Let f(x) be the probability density function for the lifetime of a manufacturer's highest quality car tire, where x is measured
in miles. Explain the meaning of each integral. (a) 50,000 f(x) dx 20,000
1 answer:
Answer:
P(20000<x<50000)
Step-by-step explanation:
Given that f(x) is a probability density function for the lifetime of a manufacturer's highest quality car tire, where x is measured in miles.
We have to explain the meaning of integral
20000 to 50000 f(x) dx
= 
where F is the cumulative function.
Hence the integral is the probability that x lies between 20000 and 50000
Hence the integral is nothing but

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