Question: In a torture test a light switch is turned on and off until it fails. If the probability is 0.001 that the switch will

In a “ torture test” a light switch is turned on and off until it fails. If the probability is 0.001 that the switch will fail any time it is turned on or off, what is the probability that the switch will not fail during the first 800 times that it is turned on or off? Assume that the conditions underlying the geometric are met and use logarithms.

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