A variable is normally distributed with mean 21 and standard deviation 6. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 20. b) Find the area to the left of 17. c) Find the area to the right of 19.

A variable is normally distributed with mean 21 and standard deviation 6. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 20. b) Find the area to the left of 17. c) Find the area to the right of 19.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A variable is normally distributed with mean 21 and standard deviation 6. Use your graphing
calculator to find each of the following areas. Write your answers in decimal form. Round to the
nearest thousandth as needed.
a) Find the area to the left of 20.
b) Find the area to the left of 17.
c) Find the area to the right of 19.
d) Find the area to the right of 24.
e) Find the area between 17 and 28.

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