Finite Chapter 7.4

Finite Chapter 7.4 - March 1, 2005. You decide to select...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Math 120 SP08 Section 7.4 Notes Brodnick Probability & Counting Techniques Directions : First, set up each problem. Then, go back and compute the answers. Round your answers to 4 decimal places, if necessary. (Remember: AND × OR +) A bag contains 3 blue, 5 red, 4 green, 2 yellow, and 6 orange marbles. 1. Grab 4 randomly a. P (all 4 are red)? b. P (exactly 2 blue)? c. P (no greens)? d. P (at most 1 yellow)? e. P (at least 2 orange)? f. P (no red or yellow)? (*be careful on this one…) 2. Grab 10 randomly a. P (exactly 2 blue)? b. P (get all the greens)? c. P (all 10 are yellow)? d. P (exactly 2 blue and exactly 2 green)? e. P (no blue, green, or yellow)? (*be careful on this one…) f. P (no more than 3 red)? 3. A committee of 5 public relations representatives is to be formed. Seven men and six women are available and wanting to join. a. P (all 5 are men)? b. P (all 5 are women)? c. P (at least 4 men)? d. P (at most 2 women)? e. P (not all 5 are women)?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4. The following table displays the six most active stocks listed on the New York Stock Exchange on
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: March 1, 2005. You decide to select four of these stocks to make your portfolio. Company Symbol Close Change Elan ELN $7.99 +$0.02 Titan TTN $18.15 +$0.80 Nokia NOK $10.02 $0.22 Lear LEA $44.80 $7.96 British Petroleum BP $63.59 $0.52 Pfizer PFE $26.77 +$0.16 a. Find the probability that your portfolio included NOK and PFE. b. Find the probability that at least two of the stocks in your portfolio increased in value. 5. A test requires that you answer Parts I and II or Parts I and III. Part I consists of 5 multiple choice questions with 6 choices each. Part II requires you to match 7 questions with 7 different answers one-to-one, and Part III consists of 8 true-false questions. Assuming that you make random choices in filling out your answer sheet, what is the probability that you will earn 100% on the test? (Leave your answer as a formula do not actually compute it.)...
View Full Document

Page1 / 2

Finite Chapter 7.4 - March 1, 2005. You decide to select...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online