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# Units of years Now the lifetime Normal(2, 1) in of a bike wheel is than 1 year? (a) What is the will last more probability a whcel should be tested (6) What ' ...

## Question

###### Units of years Now the lifetime Normal(2, 1) in of a bike wheel is than 1 year? (a) What is the will last more probability a whcel should be tested (6) What ' 's approximately the minimum numbestea tasted more than if we want percent tes sted a 0.9 probability that 75 one year? year when n Hint: Let .1, bc the number that last more than one are tested and use the normal approximna tion to the binomial

units of years Now the lifetime Normal(2, 1) in of a bike wheel is than 1 year? (a) What is the will last more probability a whcel should be tested (6) What ' 's approximately the minimum numbestea tasted more than if we want percent tes sted a 0.9 probability that 75 one year? year when n Hint: Let .1, bc the number that last more than one are tested and use the normal approximna tion to the binomial

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