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Suppose =2.4 and =220 (a) What is the probability that a specimen's lifetime is at most 250? Less than 250? More than 300 ? (b)

Suppose α=2.4 and β=220

(a) What is the probability that a specimen's lifetime is at most 250? Less than 250? More than 300 ?

(b) What is the probability that a specimen's lifetime is between 100 and 250?

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