Cmpincal Rule Instructions: Use the empirical rule to find the following probabilities. Remember to draw a normal curve, label the x-values for 1, 2, and 3 standard deviations from the mean, and write in the probabilities between each standard deviation before answering the questions. On average, Upstate Chevrolet sells 20 cars each week, with a standard deviation of 2. How many cars sold represents 2 standard deviations above the mean? How many cars sold represent 1 standard deviation below the mean? Approximately 68% will fall between and

Cmpincal Rule Instructions: Use the empirical rule to find the following probabilities. Remember to draw a normal curve, label the x-values for 1, 2, and 3 standard deviations from the mean, and write in the probabilities between each standard deviation before answering the questions. On average, Upstate Chevrolet sells 20 cars each week, with a standard deviation of 2. How many cars sold represents 2 standard deviations above the mean? How many cars sold represent 1 standard deviation below the mean? Approximately 68% will fall between and

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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Concept explainers

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

Empirical Rule
Instructions: Use the empirical rule to find the following probabilities. Remember to draw a normal curve, label the x-values for 1, 2,
and 3 standard deviations from the mean, and write in the probabilities between each standard deviation before answering the
questions.
On average, Upstate Chevrolet sells 20 cars each week, with a standard deviation of 2.
How many cars sold represents 2 standard deviations above the mean?
How many cars sold represent 1 standard deviation below the mean?
Approximately 68% will fall between
and
Approximately 99.7% will fall between
and
What is the probability that the car lot will sell at least 18 cars?
%
What is the probability that a car lot will sell at most 26 cars?
Check

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