FM Dept Review Part 2 - Faculty Web Pages
FM Dept Review Part 2 - Faculty Web Pages
FM Dept Review Part 2 - Faculty Web Pages
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Lial 9 th Edition<br />
<strong>FM</strong> <strong>Dept</strong> <strong>Review</strong> P2 F09<br />
29. Sally has 4 red flags, 3 green flags, and 5 white flags. How many 12-flag signals can she run up a flag<br />
pole? 8.1.23<br />
30. In an experiment on social interaction, 8 people will sit in 8 seats in a row. In how many ways can this be<br />
done? 8.1.33<br />
31. In a horse race, how many different finishes among the first 3 places are possible if 15 horses are running?<br />
(Exclude ties) 8.1.37<br />
32. How many different 6-letter “words” can be made: 8.1.42<br />
a. If the first letter must be E, W, or T and no letter may be repeated?<br />
b. If repeats are allowed (but the first letter is E, W, or T)?<br />
c. How many of the 6-letter words (starting with E, W, or T) with no repeats end in R?<br />
33. How many different numbers can be formed using 8 out of the 9 digits 1, 2, 3, …, 9 if the numbers:<br />
a. Are not repeated? 8.1.43<br />
b. Can be repeated?<br />
c. Are not repeated but must begin with the digit 2?<br />
d. Are not repeated but must begin with the digits 21?<br />
34. How many different committees can be formed from 7 teachers and 33 students if the committee consists of<br />
4 teachers and 3 students? 8.2.17<br />
35. A bag of 10 apples contains 3 rotten apples and 7 good apples. A shopper selects a sample of 3 apples<br />
from the bag. 8.2.22<br />
a. How many different samples are possible?<br />
b. How many samples contain all good apples?<br />
c. How many samples contain at least 1 rotten apple?<br />
36. A group of 18 workers decides to send a delegation of 4 to their supervisor to discuss their work<br />
assignments. In the following cases, determine the possible number of delegations. 8.2.30<br />
a. The number of 4 person delegations is ____________________.<br />
b. If the foreman must be included, the number of delegations is ____________________.<br />
c. If there are 7 women and 11 men in the group, then the number of delegations including exactly<br />
one woman is ____________________.<br />
37. Jeanine Baker makes floral arrangements. She has 17 different cut flowers and plans to use 7 of them.<br />
How different selections of the 7 flowers are possible? 8.2.43<br />
38. A bag contains 6 red balls and 6 blue balls. 2 balls are selected at random. Find the probability of selecting<br />
2 red balls. 8.3.1<br />
39. If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are queens.<br />
8.3.6<br />
40. A shipment of 9 typewriters contains 4 that are defective. Find the probability that a sample of size 3, drawn<br />
from the 9, will not contain a defective typewriter. 8.3.31<br />
41. What is the probability of winning a lottery in which you must choose 4 numbers from the numbers<br />
1 through 17? 8.3.38<br />
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