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In: Statistics and Probability

Suppose that the length of an aeronautical component’s tensile strength test can be modeled as an...

Suppose that the length of an aeronautical component’s tensile strength test can be modeled as an exponential random variable with a mean of 4 years.

(i) What is the probability that the tensile strength exceeds the mean value by no more than 2 standard deviations?

(ii) Compute the median and the 64th percentile of the tensile strength.

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