Mathematics, 13.05.2021 17:20 gavinarcheroz2jxq

A pet pharmaceutical company releases a new treatment, claiming to control fleas in cats for an average of 60 days per dose. A sample of 60 treated cats controlled fleas for an average of 58 days with a standard deviation of 6 days.

What is the z-value?

Type your answer into the box as a decimal rounded to the nearest hundredth.

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