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    Finding probability using normal approximation to binomial

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    The probability that an appliance is in repair is .6. If an apartment complex has 100 such appliances, what is the probability that at least 70 will be in repair? Using the normal approximation to the binomial.

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    Solution Preview

    Let X be number of appliances in repair. Then X has a binomial distribution ...

    Solution Summary

    The solution gives detailed steps on finding the probability that at least 70 will be in repair using the normal approximation to the binomial.

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