probability review game.notebook
November 05, 2013
PROBABILITY
math
Review Game
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
tails
tails
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?
x
queen
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 working
Finding 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
Honor grad or 1.2 GPA?
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
x
x
have defects?
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
x
second one.
b. if we do not replace the first one before
x
checking the second one.
Daily Double...
*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
Q1
x
Q2
x
Q3
Q4
x
Q5
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?
x
x
b. the first one is a man and the
next 2 are women?
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
100 total
16. P(freshmen or female)
17. P(junior or senior)
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!