Quantitative Analysis for Management, 13/e

Solved Problems

1. Solved Problem 2-1 In the past 30 days, Roger’s Rural Roundup has sold 8, 9, 10, or 11 lottery tickets. It never sold fewer than 8 or more than 11. Assuming that the past is similar to the future, find the probabilities for the number of tickets sold if sales were 8 tickets on 10 days, 9 tickets on 12 days, 10 tickets on 6 days, and 11 tickets on 2 days.

   Solution

   SALES	NO. DAYS	PROBABILITY
   8	10	0.333
   9	12	0.400
   10	6	0.200
   11	2	0.067
   Total	30	1.000

2. Solved Problem 2-2 A class contains 30 students. Ten are female (F) and U.S. citizens (U); 12 are male (M) and U.S. citizens; 6 are female and non-U.S. citizens (N); 2 are male and non-U.S. citizens.

   A name is randomly selected from the class roster, and it is ...