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Probability Quiz

Total questions: 25

Worksheet time: 24mins

Name
Class
Date
1.
What is the probability of flipping a coin and getting heads?
a)
1/2
b)
1/3
c)
1/4
d)
Never, Tails never fails.
2.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
3.
What is the probability of getting an odd number when rolling a single 6 sided die?
a)
1/6
b)
2/6
c)
3/5
d)
3/6
4.
Clare picks a marble at random, puts it back, and then picks another marble at random.
a)
Dependent
b)
Independent
5.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
6.
A set of all possible outcomes is known as - 
a)
a list
b)
a complement
c)
a sample space
d)
an event
7.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
8.
The probability of it raining today is 30%.  What is the probability that it will NOT rain?
a)
30%
b)
70%
c)
100%
d)
0%
9.
How many total outfit options are represented?
a)
12
b)
22
c)
3
10.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
11.
P(not A) = 
a)
6/8
b)
3/4
c)
2/8
d)
1/4
12.

How many total people were surveyed?

a)

78

b)

22

c)

70

d)

100

13.

How many total have an MP3 player?

a)

13

b)

57

c)

70

d)

100

14.

What number should go in the blue box?

a)

21

b)

135

c)

19

d)

22

15.

What is the relative frequency of females who prefer baseball?

a)

.62

b)

.30

c)

.84

d)

.90

16.
Are the events disjoint/mutually exclusive?
Rolling a 2 or a 3 on a number cube
a)
Disjoint/ Mutually Exclusive
b)
Not Disjoint/ Not Mutually Exclusive
17.
A likely chance event is closer to what number?
a)
0
b)
1
c)
.5
d)
100
18.
A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(1st orange then green)
a)
1/15
b)
2/15
c)
3/31
d)
1/5
19.

The word(s) that are best described as the real world frequency at which a chance experiment occurs would be ____________.

a)

probability

b)

experimental probability

c)

conditional probability

d)

theoretical probability

20.

The word(s) that are best described as the calculated probability that an event will occur would be __________.

a)

probability

b)

experimental probability

c)

conditional probability

d)

theoretical probability

21.

One event does not change the probability that another event occurs is considered to be ________________________.

a)

mutually exclusive

b)

dependent

c)

non-mutually exclusive

d)

independent

22.

When one event does change the probability that another event will occur is considered to be _____________________.

a)

independent

b)

mutually exclusive

c)

dependent

d)

non-mutually exclusive

23.
What type of probability is drawing a black card from a deck of cards, putting it aside, and then drawing a red card?
a)
Independent
b)
Dependent
24.
What is the type of probability for: rolling a 3 on a number cube and then flipping heads on a coin?
a)
Dependent
b)
Independent
25.

Of 162 students honored at an academic awards banquet, 48 won awards for mathematics and 78 won awards for English. There are 14 students who won awards for both mathematics and English. A newspaper chooses a student at random for an interview. What is the probability that the student interviewed won an award for English or mathematics?

a)

.77

b)

.69

c)

.08

d)

.86

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