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You have five identical pieces of equipment. There is a 1 in 10 chance that each piece will fail in a year. What is the likelihood that NONE of the pieces fail during a year?

You have five identical pieces of equipment. There is a 1 in 10 chance that each piece will fail in a year. What is the likelihood that NONE of the pieces fail during a year?
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You have five identical pieces of equipment. There is a 1 in 10 chance that each piece will fail in a year. What is the likelihood that NONE of the pieces fail during a year?

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User Braggae
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1 Answer

5 votes
Assuming failures are independent (not due to design flaw), the probability of no failures is
.. (1 -0.1)^5 = 0.59049
answered
User Fe Ner
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8.5k points
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