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The mean incubation time for a fertilized egg is 22days with a standard deviation of 1 the incubation times that make up the middle 39% are what days

User Pdubbs
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Final answer:

The incubation times that make up the middle 39% are 21 to 23 days.

Step-by-step explanation:

The mean incubation time for a fertilized egg is 22 days with a standard deviation of 1 day.

To find the incubation times that make up the middle 39%, we need to find the range of values that represent 39% of the total distribution.

We know that the mean is 22 days and the standard deviation is 1 day.

Since the distribution is bell-shaped and symmetric, we can use the empirical rule to estimate the range.

The empirical rule states that approximately 68% of the data falls within one standard deviation of the mean, 95% falls within two standard deviations, and 99.7% falls within three standard deviations.

Therefore, the middle 39% of the data would fall within approximately one standard deviation above and below the mean.

So the incubation times that make up the middle 39% would be from 21 to 23 days.

User Qikun
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