probability review game.notebook November 05, 2013

PROBABILITY Review Game

math

1. An 8-sided die is labeled with the first 8 letters of the alphabet. Find the probability of rolling a vowel.

2. A coin is tossed 2 times . Find the probability that both tosses are tails. x

tailstails

probability review game.notebook November 05, 2013

4. A die is rolled. The sample space for the outcomes is S = {1, 2, 3, 4, 5, 6}. Find the probability of rolling an odd number that is less than 5.

5. The probability of dying from Disease A is 0.303; the probability of dying from Disease B is 0.23. What is the chance of dying from Disease A or Disease B?

6. A card is drawn from a 52-card deck. What is the probability of drawing a HEART?

7. A card is drawn from a 52-card deck and then a coin is flipped. What is the probability of drawing a queen and the coin landing on tails?

xqueen tails

probability review game.notebook November 05, 2013

8. The probability of a man in relatively good health living to age 62 is 0.955. What is the probability of this same type of man dying before age 62?

9. Are these events independent or dependent?Finding your calculator is not workingFinding your refrigerator is not working

10. Are the following events disjoint? Selecting a student who is an honor grad Selecting a student with a 1.2 GPA

x x

11. A FTL worker is to pick 3 different pairs of underwear at random and inspect

them for defects. Out of the group of 50 pairs of undies that come through on any given day, they have 12 defective pairs. What is the chance that you buy a pack of 3 pairs of underwear and all of them have defects?

Honor grad or 1.2 GPA?

probability review game.notebook November 05, 2013

12. Time magazine reported that when 19 gas masks were examined, 10 were defective. If we were to select 2 gas masks at random, find the probability that both are defective...

a. if we replace the first one before checking the second one.

b. if we do not replace the first one before checking the second one.

x

x

*13. A psychology professor gave a surprise quiz consisting of 5 multiple choice questions ( choices a, b, c ). Assuming you must randomly guess at each

question, find the probability that you...get the first 2 questions correct and the last 3 questions incorrect.

x x xxQ1    Q2  Q3    Q4   Q5

Daily Double...

probability review game.notebook November 05, 2013

14. According the US hunting statistics, out of a group of hunters injured when mistaken for game, only 5% (0.05) were wearing "hunter orange." If we were to randomly select 2 people from this group of injured hunters, what is the probability that both w ere wearing hunter orange? x

15. A group of 50 people contained 13 women. If there are to be 3 people selected at random for a committee, what is the probability that

a. all 3 are women?

b. the first one is a man and the next 2 are women?

x x

probability review game.notebook November 05, 2013

Use the table to answer the next questions.

Freshmen Sophomores Juniors Seniors Male 10 15 10 15 Female 15 15 10 10

16. P(freshmen or female)

17. P(junior or senior)

100 total

Use the table to answer the next questions.

Freshmen Sophomores Juniors Seniors Male 10 15 10 15 Female 15 15 10 10

100 total

18. P(male or sophomore or senior)

19. P(sophomore or female or freshmen)

probability review game.notebook November 05, 2013

20. What is the probability that Good Friday will fall on a Tuesday in 2013? This is called a(n)____________ event.

21. The probability of a event is ____.

Make sure you bring your review sheet with you

on the day of the test!We will review quickly one more time

before you take your test!