Suppose that a random sample X₁, X2, X20 follows an exponential distribution with parameter B. Check whether or not a pivotal quantity exixts, if it exists, find a 100(1-a) % confidence interval for B.

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Suppose that a random sample X₁, X2, X20 follows an exponential distribution with
parameter B. Check whether or not a pivotal quantity exixts, if it exists, find a 100(1 - α)%
confidence interval for B.
www.
Transcribed Image Text:Suppose that a random sample X₁, X2, X20 follows an exponential distribution with parameter B. Check whether or not a pivotal quantity exixts, if it exists, find a 100(1 - α)% confidence interval for B. www.
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Xi~exp(β)f(x)=βe-βx ; x>0

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