Question #178244

a manufacturer of light bulbs produces bulbs that last a mean of 950 hours with a standard deviation of 12 hours what is the probability that the mean lifetime of the random sample of 10 of these bulbs is less than 90 hours

Expert's answer

12

**Answer:** 0 is probability that the mean lifetime of the random sample of 10 of these bulbs is less than 90 hours

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