b.     A married couple wants to enjoy the weather of hill stations at Murree and Abbottabad. The probabilities of enjoying weather at Murree and Abbottabad are respectively 0.50 and .12.   i.                  What is the probability that a couple will enjoy at least one of these two hill stations? ii.                What concept of the events do you give to these two hill stations?     c.      For a departmental inquiry committee, an employer randomly selects a sample of three employees from ten employees, six men and four women.  If the selection is at random, what then is the probability of selecting at least one-man member employee?

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.      The survey about the investment habits of local citizens is given in contingency table:     Age                             Stocks [S]            Bonds [B]            Savings Accounts [A]  Totals 18-29 [Y]                       6                       2                       15                                              23 30-49 [M]                       14                       5                       14                                              33 50 or over [O]      32                    20                    12                                            64 Totals                        =52                       =27                       =41                                              =120   i.                  What is the probability of the number of citizens holding either stocks or bonds?                   ii.                What is the probability of citizens holding either bonds or savings accounts in the age group of 18-29?                                                                                   iii.              What is the probability of citizens holding only stocks?                                  b.     A married couple wants to enjoy the weather of hill stations at Murree and Abbottabad. The probabilities of enjoying weather at Murree and Abbottabad are respectively 0.50 and .12.   i.                  What is the probability that a couple will enjoy at least one of these two hill stations? ii.                What concept of the events do you give to these two hill stations?     c.      For a departmental inquiry committee, an employer randomly selects a sample of three employees from ten employees, six men and four women.  If the selection is at random, what then is the probability of selecting at least one-man member employee?
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