Download A sample space consists of 18 separate events that are

1. A sample space consists
of 18 separate events that
are equally likely. What is the
probability of each?
A) 0
B) 1
18
C) 1
D) 18
2. On a multiple-choice test,
each question has 5 possible
answers. What is the
probability that a random
guess on the first question will
be correct?
A) 0
C) 1
B) 1
D) 5
5
3. Based on the
probability table below,
determine P(not B).
Outcomes A
B
C
D
Probability 0.35 0.40 0.20 0.05
A) 0.40
B) 0.60
4. An experiment consists of drawing
random numbered disks from a bag
and then replacing them. Fifty disks
have been drawn and the results are
shown on the table below. Estimate
the experimental probability that the
next draw will be a 3.
Symbol
Draws
A) 0.12
1
10
2
15
B) 0.24
3
12
4
13
5. Walt spun a spinner 100 times.
The results are shown in the table.
What is the experimental
probability of spinning a red on the
next spin?
Outcome
# of Spins
A) 1/20
B) 1/10
Red Blue Yellow Green
20
28
C) 1/5
D) 4/5
31
21
6. What is the probability
that a multiple of 1 will
occur with one roll of a fair
number cube?
A) ½
B) 1
7. Kelly has 200 red and
green beads in a bag. If
there are 70 red beads,
what is the probability of
randomly selecting a red
bead?
A) 35%
B) 70%
8. A bag contains 5 green
candles, 2 yellow candles, and
3 red candles. What is the
probability of picking a red
candle and then a green candle
from the bag without
replacement?
A) 3/20
B) 1/6
9. If you flip a coin and get 3
heads in a row, what is the
probability of getting heads
on the next flip?
A) 0
B) ¼
C) ½
D) 1
10. Margaret has a bag
containing 5 red chips and 5
blue chips. What is the
probability of drawing two red
chips in two draws without
replacement?
A) 2/9
B) 1/2
11. James decides to make a cheese
sandwich. He finds 2 types of bread
and 3 kinds of cheese. How many
different sandwich choices does he
have with one kind of cheese on one
kind of bread?
A) 2
B) 3
C) 6
D) 9
12. Sarah wants to adopt 2 of the
4 kittens at the pet shelter. How
many different combinations of
kittens does she have to choose
from?
A) 2
B) 6
C) 12
D) 24
13. A bag contains four red
marbles, three blue marbles, and
five green
marbles. What is the probability that
a randomly selected marble is not
blue?
A) 1/6
B) 1/4
C) 3/4
D) 5/6
14. By mistake, someone has mixed
up some nuts, bolts and screws. You
know there are a total of 400 objects
in the bin. If there are 170 bolts and
200 screws, what is the probability of
randomly selecting a nut?
A) 0.075
B) 0.75
C) 7.5
D) 75
15. A bag contains 5 green
marbles, 3 yellow marbles, and 2
red marbles. What is the
probability of picking three red
marbles from the bag without
replacement?
A) 0
B) 1
C) 1/12
D) 1/8
16. A sample space consists of
18 separate events that are
equally likely. What is the
probability of each?
A) 0
B) 1
18
C) 1
D) 18
17. On a multiple-choice test,
each question has 5 possible
answers. What is the
probability that a random guess
on the first question will be
correct?
A) 0
C) 1
B) 1
D) 5
5
18. Based on the probability
table below, determine P(not
B).
A) 0.40
B) 0.60
19. A basketball player makes
70% of her free throws. Use
the random numbers above to
estimate the chance of at least
5 baskets in 6 times at times at
the free throw line. Use 6 trials.
A) 33%
B) 50%
20. A bag contains 50 red and
50 blue beads. What is the
probability of drawing two red
beads with replacement?.
A) 25%
B) 50%
C) 75%
D) 100%
21. What is the probability that
a multiple of 1 will occur with
one roll of a fair number cube?
A) 1
2
B) 1
6
C) 1
D) 0
22. Kelly has 200 red and
green beads in a bag. If there
are 70 red beads, what is the
probability of randomly
selecting a red bead?
A) 35%
B) 70%
23. A bag contains 5 green
candles, 2 yellow candles, and
3 red candles. What is the
probability of picking a red
candle and then a green candle
from the bag without
replacement?
A) 3
B) 1
20
6
24. James decides to make a
cheese sandwich. He finds 2
types of bread and 3 kinds of
cheese. How many different
sandwich choices does he
have with one kind of cheese
on one kind of bread?
A) 2
C) 6
B) 3
D) 9