Question #79230
The average lifetime of a particular brand of car battery is 3 years with a standard deviation of 6 months. Assuming these lifetimes are normally distributed, calculate the:
1.percenatge of these batteries that last more than 4 years.
2.maximum lifetime of a battery to be in the 10% of batteries with the shortest lifetime.
1
Expert's answer
2018-07-23T10:22:08-0400
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