Mathematics, 23.10.2019 20:10 emilypzamora11

The popping-times of the kernels in a certain brand of microwave popcorn are normally distributed with a mean of 150 seconds and a standard deviation of 11 seconds.

the first kernel pops 126 seconds after the microwave oven is started. what is the z-score of this kernel?

also what in the world is a z-score?

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