The lengths of pregnancies in a small rural village are normally distributed with a m and a standard deviation of 12 days. In what range would you expect to find the middle 68% of most pregnancies? Between and If you were to draw samples of size 31 from this population, in what range woule the middle 68% 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 decima Question Help: DPost to forum Submit Question

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days
and a standard deviation of 12 days.
In what range would you expect to find the middle 68% of most pregnancies?
Between
and
If you were to draw samples of size 31 from this population, in what range would you expect to find
the middle 68% 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.
Question Help: DPost to forum
Submit Question
Transcribed Image Text:The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 12 days. In what range would you expect to find the middle 68% of most pregnancies? Between and If you were to draw samples of size 31 from this population, in what range would you expect to find the middle 68% 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. Question Help: DPost to forum Submit Question
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