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In a case of ` failure-terminated ' lifetime testing, 20 failures are observed in a total operation time T = 112.2 hrs. (see picture) In

In a case of `failure-terminated' lifetime testing, 20 failures are observed in a total operation time T = 112.2 hrs.

(see picture)

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In a case of *failure-terminated' lifetime testing, 20 failures are observed in a total operation time T = 112.2 hrs. Assume that the failure times are independent Exponential random variables with mean u. You seek to conduct a chi-square test of the hypotheses HO: JJ = 7 H1:

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