# Question

The mean incubation time of fertilized chicken eggs kept at 100.5°F in a still-air incubator is 21 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day.

(a) Determine the 17th percentile for incubation times of fertilized chicken eggs.

(b) Determine the incubation times that make up the middle 95% of fertilized chicken eggs.

(a) Determine the 17th percentile for incubation times of fertilized chicken eggs.

(b) Determine the incubation times that make up the middle 95% of fertilized chicken eggs.

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