Mathematics, 09.07.2020 03:01, hdjsjfjruejchhehd

The lifespan of a certain electronic toy is normally distributed, with a mean of 3000 hours and a standard deviation of 35 hours. Use a standard normal distribution table
or a graphing calculator to find the proportion of toys that have a lifespan between
2920 hours and 2945 hours.

Answers: 1

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The lifespan of a certain electronic toy is normally distributed, with a mean of 3000 hours and a s...