Mathematics, 25.11.2019 14:31, biancatay

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)

a. less than 250 hours

b. between 225 and 375 hours

c. more than 400 hours

Answers: 2

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