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Mathematics, 03.03.2020 02:51 clydeben4543

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
10 seconds.
The first kernel pops 127 seconds after the microwave oven is started. What
is the z-score of this kernel? Round your answer to two decimal places.

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