For this question, you must use the empirical rule to find the answers, rather than a more exact answer using the z-table. According to American Express, a typical vacation for a family of four in the United States costs $4,580. If we assume these costs are normally distributed with a population standard deviation of $1000. (a) What percentage of vacations will cost less than $4,580? [ Select ] (b) What percentage of vacations will cost more than $2,58O? [Select] v % (c) What percentage of vacations will cost between $3580 and $5580? [ Select ] (d) What percentage of vacations will cost less than $2580 or more than $6580?
For this question, you must use the empirical rule to find the answers, rather than a more exact answer using the z-table. According to American Express, a typical vacation for a family of four in the United States costs $4,580. If we assume these costs are normally distributed with a population standard deviation of $1000. (a) What percentage of vacations will cost less than $4,580? [ Select ] (b) What percentage of vacations will cost more than $2,58O? [Select] v % (c) What percentage of vacations will cost between $3580 and $5580? [ Select ] (d) What percentage of vacations will cost less than $2580 or more than $6580?
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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Only A-C
![For this question, you must use the empirical rule to find the answers, rather than a more exact
answer using the z-table.
According to American Express, a typical vacation for a family of four in the United States costs
$4,580. If we assume these costs are normally distributed with a population standard deviation of
$1000.
(a) What percentage of vacations will cost less than $4,580? [Select ]
(b) What percentage of vacations will cost more than $2,580? [Select ]
v %
(c) What percentage of vacations will cost between $3580 and $5580?
[ Select ]
(d) What percentage of vacations will cost less than $2580 or more than $6580?
[ Select ]
e) What is the maximum a vacation must cost to be in the least expensive 2.5% of vacations? $
[ Select ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd8c403c1-73da-4878-97dd-7583351688c0%2Fb9569aab-d164-42fa-8ebc-050473ea7e86%2F79ymbk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For this question, you must use the empirical rule to find the answers, rather than a more exact
answer using the z-table.
According to American Express, a typical vacation for a family of four in the United States costs
$4,580. If we assume these costs are normally distributed with a population standard deviation of
$1000.
(a) What percentage of vacations will cost less than $4,580? [Select ]
(b) What percentage of vacations will cost more than $2,580? [Select ]
v %
(c) What percentage of vacations will cost between $3580 and $5580?
[ Select ]
(d) What percentage of vacations will cost less than $2580 or more than $6580?
[ Select ]
e) What is the maximum a vacation must cost to be in the least expensive 2.5% of vacations? $
[ Select ]
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