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 13 seconds.

The first kernel pops 128 seconds after the microwave oven is started. What is the z-score of this kernel? Round your answer to two decimal places.

The first kernel pops 128 seconds after the microwave oven is started. What is the z-score of this kernel? Round your answer to two decimal places.

### Recently Asked Questions

- Please refer to the attachment to answer this question. This question was created from Problem Set 3.

- If a cell has 8 chromosomes in it what will it look like after it goes through cytokinesis and what would it look like after meiosis?

- Please refer to the attachment to answer this question. This question was created from Problem Set 3.