A brokerage firm has two types of clients, those who prefer high-risk portfolios and those who prefer low-risk portfolios. Based on past data, it is found that 20% of clients prefer high-risk portfolios. Of the clients who prefer high-risk portfolios, 75% also incorporate some form of leverage into their portfolios (e.g., make their portfolio even riskier by investing with some debt). Clients who prefer low-risk portfolios, however, are much less likely to use leverage: only 20% of low-risk portfolios will incorporate leverage at all. Answer the following questions using excel formulas.  a) What is the probability that a randomly selected client will use leverage in their portfolio?  b) What is the probability that a randomly selected client won't use leverage in their portfolio?  c) Suppose that a client decides to not use leverage. What is the probability that this client plans to invest in a low-risk portfolio? d) It is further given that 60% of the clients who use leverage will have some financial issue causing them to liquidate their portfolio within the year. What is the probability that a client will use leverage and liquidate their portfolio?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A brokerage firm has two types of clients, those who prefer high-risk portfolios and those who prefer low-risk portfolios. Based on past data, it is found that 20% of clients prefer high-risk portfolios. Of the clients who prefer high-risk portfolios, 75% also incorporate some form of leverage into their portfolios (e.g., make their portfolio even riskier by investing with some debt). Clients who prefer low-risk portfolios, however, are much less likely to use leverage: only 20% of low-risk portfolios will incorporate leverage at all. Answer the following questions using excel formulas. 

a) What is the probability that a randomly selected client will use leverage in their portfolio? 

b) What is the probability that a randomly selected client won't use leverage in their portfolio? 

c) Suppose that a client decides to not use leverage. What is the probability that this client plans to invest in a low-risk portfolio? d) It is further given that 60% of the clients who use leverage will have some financial issue causing them to liquidate their portfolio within the year. What is the probability that a client will use leverage and liquidate their portfolio?

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