The lengths of pregnancies in a small rural village are normally distributed with a mean of 265 days and a standard deviation of 17 days. In what range would you expect to find the middle 95% of most pregnancies? Between and If you were to draw samples of size 60 from this population, in what range would you expect to find the middle 95% of most averages for the lengths of pregnancies in the sample? Between and Enter your answers as numbers. Your answers should be accurate to 1 decimal places. (This problem uses the count-by-thirds empirical rule.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The length of preg…
The lengths of pregnancies in a small rural village are normally distributed with a mean of 265 days and a
standard deviation of 17 days.
In what range would you expect to find the middle 95% of most pregnancies?
Between
and
If you were to draw samples of size 60 from this population, in what range would you expect to find the
middle 95% of most averages for the lengths of pregnancies in the sample?
Between
and
Enter your answers as numbers. Your answers should be accurate to 1 decimal places. (This problem uses
the count-by-thirds empirical rule.)
Transcribed Image Text:The lengths of pregnancies in a small rural village are normally distributed with a mean of 265 days and a standard deviation of 17 days. In what range would you expect to find the middle 95% of most pregnancies? Between and If you were to draw samples of size 60 from this population, in what range would you expect to find the middle 95% of most averages for the lengths of pregnancies in the sample? Between and Enter your answers as numbers. Your answers should be accurate to 1 decimal places. (This problem uses the count-by-thirds empirical rule.)
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