The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of 16 days. In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place. Between and days If we were to draw samples of size 40 from this population, in what range would we expect to find the middle 98% of most averages for the lengths of pregnancies in the sample? Round the answer to one decimal place. Between and days

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...
icon
Related questions
Question

The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days and a standard deviation of 16 days.

In what range would we expect to find the middle 98% of most lengths of pregnancies? Round the answer to one decimal place.

Between     and     days

If we were to draw samples of size 40 from this population, in what range would we expect to find the middle 98% of most averages for the lengths of pregnancies in the sample? Round the answer to one decimal place.

Between         and         days

 

 

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON