olve the following problem using the principle of inclusion and exclusion: Among a bank’s 250 customers with checking or savings accounts, 168 have checking accounts, 75 have regular savings accounts, 120 have money market savings accounts, and 70 have both checking and regular savings accounts. No customer is allowed to have both regular savings and money market savings accounts. a) How many customers have both checking and money market savings accounts? b) How many customers have a checking account but no savings account?

olve the following problem using the principle of inclusion and exclusion: Among a bank’s 250 customers with checking or savings accounts, 168 have checking accounts, 75 have regular savings accounts, 120 have money market savings accounts, and 70 have both checking and regular savings accounts. No customer is allowed to have both regular savings and money market savings accounts. a) How many customers have both checking and money market savings accounts? b) How many customers have a checking account but no savings account?

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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Question

Solve the following problem using the principle of inclusion and exclusion:

Among a bank’s 250 customers with checking or savings accounts, 168 have
checking accounts, 75 have regular savings accounts, 120 have money market savings accounts,
and 70 have both checking and regular savings accounts. No customer is allowed to have both
regular savings and money market savings accounts.

a) How many customers have both checking and money market savings accounts?

b) How many customers have a checking account but no savings account?

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