Mathematics
Mathematics, 01.12.2019 13:31, Gabr02

Acompany makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. assuming the distribution is approximated by a normal curve fine the probability that the battery will last: (give 4 decimal places for each answer)

1. less than 250 hours

2. between 225 and 375 hours

3. more than 400 hours

answer
Answers: 1

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Acompany makes batteries with an average life span of 300 hours with a standard deviation of 75 hour...

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