What is the z-score of this kernel

Reference no: EM13178174

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.

Reference no: EM13178174

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