Mathematics, 25.05.2020 10:57 deidaraXneji

A flashlight battery manufacturer makes a model of battery whose mean shelf life is three years and four months, with a standard deviation of three months. The distribution is approximately normal. One production run of batteries in the factory was 25,000 batteries. How many of those batteries can be expected to last between three years and one month and three years and seven months?

a. 21,025 batteries
b. 8,525 batteries
c. 17,050 batteries

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A flashlight battery manufacturer makes a model of battery whose mean shelf life is three years and...