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tekilochka [14]
3 years ago
12

A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the distributio

n is approximated by a normal curve fine the probability that the battery will last:(give 4 decimal places for each answer)
a. Less than 250 hours

b. Between 225 and 375 hours

c. More than 400 hours
Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0
Idk tbh, maybe the answer is A.
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