Eht///55BJPRC4rQHWKawiv2zPlohPZXNnCn4sJc6i79t9nMQ/edit$ scholarshipsRequest1) Marketing: Income What is the income distribution of super shoppers. In the followingtable, income units are given in thousands of dollars, and each interval goes up to butdoes not include the given high value. The midpoints are given to the nearest thousanddollarsIncome5-1515-2525-3535-4545-5555 andrangemoreMidpoint, x102030405060Percent of21%14%22%15%20%8%supershoppersa) Using the income midpoints, x and the percentage of super shoppers, do we have avalid probability distribution? Explain.b) Use a histogram to graph the probability distribution of part (a)c) Compute the expected incomepu of a super shopper.d) Compute the standard deviation o for the income of super shoppers.2)The director of a health club conducted a survey and found that 23% of members used onlythe pool for workouts. Based on this information, what is the probability that, for a randomsample of 10 members, 4 used the pool for workouts?3) Of those mountain climbers who attempt Mt. McKinley, only 65% reach the summit. In arandom sample of 16 mountain climbers who are going to attempt Mt. McKinley, what is theacer

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1) Marketing: Income What is the income distribution of super shoppers. In the following table, income units are given in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are given to the nearest thousand dollars

1) Marketing: Income What is the income distribution of super shoppers. In the following table, income units are given in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are given to the nearest thousand dollars

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

Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.

Question

Eht///55BJPRC4rQHWKawiv2z
PlohPZXNnCn4sJc6i79t9nMQ/edit
$ scholarships
Request
1) Marketing: Income What is the income distribution of super shoppers. In the following
table, income units are given in thousands of dollars, and each interval goes up to but
does not include the given high value. The midpoints are given to the nearest thousand
dollars
Income
5-15
15-25
25-35
35-45
45-55
55 and
range
more
Midpoint, x
10
20
30
40
50
60
Percent of
21%
14%
22%
15%
20%
8%
super
shoppers
a) Using the income midpoints, x and the percentage of super shoppers, do we have a
valid probability distribution? Explain.
b) Use a histogram to graph the probability distribution of part (a)
c) Compute the expected incomepu of a super shopper.
d) Compute the standard deviation o for the income of super shoppers.
2)The director of a health club conducted a survey and found that 23% of members used only
the pool for workouts. Based on this information, what is the probability that, for a random
sample of 10 members, 4 used the pool for workouts?
3) Of those mountain climbers who attempt Mt. McKinley, only 65% reach the summit. In a
random sample of 16 mountain climbers who are going to attempt Mt. McKinley, what is the
acer

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What is the income distribution of super shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon. In the following table, income units are in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are given to the nearest thousand dollars. Income range 5-15 15-25 25-35 35-45 45-55 55 or more Midpoint x 10 20 30 40 50 60 Percent of super shoppers 22% 14% 21% 16% 20% 7% (a) Using the income midpoints x and the percent of super shoppers, do we have a valid probability distribution? Explain. Yes. The events are indistinct and the probabilities sum to less than 1. No. The events are indistinct and the probabilities sum to 1. Yes. The events are distinct and the probabilities do not sum to 1. Yes. The events are distinct and the probabilities sum to 1. No. The events are indistinct and the probabilities sum to more than 1.…