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On average, a particular brand of car battery is known to last for 72 months with a standard deviation of 12 months. Assume that the
On average, a particular brand of car battery is known to last for 72 months with a standard deviation of 12 months. Assume that the population of these car batteries follows a normal distribution. Given this information, and using your Z-table, a battery that is in the 95th percentile of this population will last approximately how many months?
Question 4 options:
91.7 months |
52.3 months |
95 months |
Cannot answer with the information provided. |
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