Download Math 8 Review for Quiz #2: Probability

Name: _______________________________
Date: ________________
Period: _____
Math 8
Review for Quiz #2:
Probability
Write the letter that corresponds to the correct definition.
1. _____ All the possible
outcomes of an experiment
2. ______ Are events in which
the first event does affect the
second event.
3. ______ Each observation of
an experiment
4. ______ A result of an
experiment
5. ______ A probability that can
be determined without
actually doing an experiment.
6. ______ Activity in which
results are observed.
11. A number from 0 to 1 that tells
how likely an event is to
happen.
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
Independent
Experiment
Certain
Theoretical Probability
Trial
Outcome
Sample Space
Dependent
Impossible
Probability
Event
7. ______ Set of outcomes or
outcome
8. ______ The probability of an
outcome is 0% or 0
9. ______ The probability of an
outcome is 100% or 1.
10. ______ Are events in which
the first event does not affect
the second event.
Find the probability. You roll a number cube numbered 1 to 6. Simplify your answer.
12.
P(4)
13. P(even number)
14.
P(number > 3)
15. P(9)
A bag contains 3 yellow gum drops, 8 green gum drops, 5 orange gum drops, and 2
black gum drops. The gum drops are selected at random, one at a time, and are not
replaced. Find the probability. Show your work and simplify your answer.
16. P(green and orange)
17.
P(black and green and black)
18. P(orange and orange)
19.
P(yellow and green)
You roll two number cubes (numbered 1-6) at the same time. Find the probability. Show
your work and simplify your answer.
20.
P(5)
21.
P(9)
22.
P(odd number)
23.
P(number < 4)
There are 5 red pencils, 7 green pencils, and 6 yellow pencils in a jar. Once a pencil is
selected, it is not replaced. Find the probability of each outcome. Show your work and
simplify your answer.
24. P(green and yellow)
25. P(two red)
26. P(red and yellow)
27. P(yellow, green, green)
Alex has cards numbered one through ten. Find the probability of each outcome. Show
your work and simplify your answer.
28. P(2 or 7)
29. P (4 or an odd number)
30. P(more than 6 or 9)
31. P(multiple of 3 or multiple of 5)
Show your work and simplify your answers for the following questions.
32. A spinner (with 3 red spots, 4 blue spots, and 1 white spot) is spun and lands on
red and a die is rolled and lands on a 4. Identify if the event is independent or
dependent. Then find the probability.
Independent or Dependent?
33. One bag contains 4 red and 6 white balls. A second bag contains 5 yellow and 5
green balls. A red ball is drawn from the first bag and a yellow ball is drawn from the
second bag. Identify if the event is independent or dependent. Then find the probability.
Independent or Dependent?
34. In a bag there are 5 red marbles, 3 white marbles, and 4 blue marbles. Once a
marble is selected, it is not replaced. Identify if the event is independent or dependent.
Then find the probability of a red marble being selected then a white marble.
Independent or Dependent?
35. Keith selects cards from a standard deck of 52 cards. Once a card is selected, it is
not replaced. Identify if the event is independent or dependent. Then find the probability
that a queen and king will be drawn in a row.
Independent or Dependent?