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The life time T of a durable substance is an exponential distributed ramdom varialble with average 1.5 year (Exponential).
(1) What is the probability that the life time of this substance exceeds 24 months?
(2) What is the probability that a sample of this substance can exist 14 years given that is duration exceeds 12 years.
Could anyone help me this problem?
An F statistic is any statistic that follows an F distribution. Which of the following are true about F statistics and f distribution? Select all that apply
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