a. How many 18 to 29 year olds must be sampled to find at least 50 who invest in the stock market? b. How many people 65 years of age and older must be sampled to find at least 50 who invest in the stock market? c. If 1000 individuals are randomly sampled, what is the expected number of 18 to 29 year olds who invest in the stock market in this sample? What is the standard deviation of the number of 18 to 29 year olds who invest in the stock market? d. If 1000 individuals are randomly sampled, what is the expected number of those 65 and older who invest in the stock market in this sample? What is the standard deviation of the number of those 65 years of age and older who invest in the stock market?
a. How many 18 to 29 year olds must be sampled to find at least 50 who invest in the stock market? b. How many people 65 years of age and older must be sampled to find at least 50 who invest in the stock market? c. If 1000 individuals are randomly sampled, what is the expected number of 18 to 29 year olds who invest in the stock market in this sample? What is the standard deviation of the number of 18 to 29 year olds who invest in the stock market? d. If 1000 individuals are randomly sampled, what is the expected number of those 65 and older who invest in the stock market in this sample? What is the standard deviation of the number of those 65 years of age and older who invest in the stock market?
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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Textbook: Essentials of statistics for business and economics, 9th edition
Chapter 5, problem 65SE (investing in the stock market).
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