Basic Business Statistics, Student Value Edition
Basic Business Statistics, Student Value Edition
14th Edition
ISBN: 9780134685113
Author: Mark L. Berenson, David M. Levine, David F. Stephan, Kathryn Szabat
Publisher: PEARSON
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Chapter 7, Problem 17PS

The goal of corporate sustainability is to manage the environmental, economic, and social effects of a corporation ‘s operations so it is profitable over the long-term while acting in a responsible manner to society. An international study by Unilever reveals that 33 % of consumers are choosing to buy from brands they believe are doing social or environmental good.

Suppose you select a sample of 100 consumers.

a. What is the probability that in the sample fewer than 30 % are choosing to buy from brands they believe are doing social or environmental good?

b. What is the probability that in the sample between 28 % and 38 % are choosing to buy from brands they believe are doing social or environmental good?

c. What is the probability that in the sample more than 38 % are choosing to buy from brands they believe are doing social or environmental good?

d. If a sample of 400 is taken, how does this change your answers to (a) through (c)?

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Chapter 7 Solutions

Basic Business Statistics, Student Value Edition

Ch. 7 - Given a normal distribution with =100and=10, if...Ch. 7 - Given a normal distribution with =50and=5, if you...Ch. 7 - For each of the following three populations,...Ch. 7 - The following data represent the number of days...Ch. 7 - The amount of water in a two-liter bottle is...Ch. 7 - The weight of an energy bar is approximately...Ch. 7 - The diameter of a brand of tennis balls is...Ch. 7 - The U.S. Census Bureau announced that the median...Ch. 7 - According to a report by App Annie, a business...Ch. 7 - According to the National Survey of Student...
Ch. 7 - In a random sample of 64 people, 48 are classified...Ch. 7 - A random sample of 50 households was selected for...Ch. 7 - The following data represent the responses (Y for...Ch. 7 - A political pollster is conducting an analysis of...Ch. 7 - You plan to conduct a marketing experiment in...Ch. 7 - What do millennials around the world want in a...Ch. 7 - The goal of corporate sustainability is to manage...Ch. 7 - Prob. 18PSCh. 7 - The topic of global warming increasingly appears...Ch. 7 - An IAB study on the state of original digital...Ch. 7 - Why is the sample mean an unbiased estimator of...Ch. 7 - Why does the standard error of the mean decrease...Ch. 7 - Why does the sampling distribution of the mean...Ch. 7 - What is the difference between a population...Ch. 7 - Under what circumstances does the sampling...Ch. 7 - An industrial sewing machine uses ball bearings...Ch. 7 - The fill amount of bottles of a soft drinks is...Ch. 7 - Prob. 28PSCh. 7 - In problem 7.28, suppose that the mean amount of...Ch. 7 - Prob. 30PSCh. 7 - The article mentioned in Problem 7.30 reported...
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