WorksheetsUnit 9 Probability
Total questions: 13
Worksheet time: 3hrs 15mins
Name
Class
Date
1.
Probability can be written as a
a)
fraction
b)
decimal
c)
percent
d)
all of the above
2.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
3.
What is the probability of spinning the spinner and having it land on RED?
a)
⅓
b)
½
c)
⅔
d)
⅚
4.
A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?
a)
5/11
b)
5/6
c)
1/3
d)
5
5.
Find the experimental probability:
The following numbers are the result of rolling a die: 1, 3, 3, 4, 4
P(1) =
a)
3/5
b)
1/6
c)
2/5
d)
1/5
6.
P(not A) =
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
7.
What is the probability of flipping heads on a coin?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
8.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
9.
Experimental Probability is ______
a)
data from our experiment
b)
our prediction
10.
Theoretical Probability is ____
a)
data from our experiment
b)
our prediction
11.
A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, followed by a queen? Assume he does NOT put the jack back.
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)
a)
1/13
b)
4/663
c)
4/13
d)
1/104
12.
Each of the letters in MATHEMATICS are on separate cards, face down on a table. If you pick a card at random, and then another card without replacement what is the probability that both card will be a vowel?
a)
4/11
b)
16/121
c)
7/21
d)
6/55
13.
A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mr. Bailey picks one without looking, replaces it, and picks another one. What is the probability that he picks two that are not orange?
a)
9/16
b)
3/4
c)
9/144
d)
5/16
100 %
