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WorksheetsIntroduction to Probability: Pre test
Total questions: 20
Worksheet time: 10mins
Probability can be written as a
fraction
percent
decimal
all of the above
A die is rolled. What is the probability that the result is less than 3 ?
1/3
1/6
1/2
1/4
Find the probability of rolling a 7 on a single die.
0
1/6
2/3
1
The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?
5/7
2/7
5/49
10/49
A box has 3 limes, 5 grapes, and 2 oranges.
P (NOT lime)
7/10
3/10
30%
no answer
Marvin has a standard deck of cards.
P (Ace or 5)
2/13
1/13
10/13
1/52
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
5/6
1/3
1/2
1/6
What is the probability of choosing a vowel from the alphabet?
5/26
1/26
2/26
7/21
Experimental Probability is:
What actually happens
What I think Happens
What should happen
What Will happen
An unprepared student takes a 3-question true/false quiz in which he guesses the answers to all 3 questions. What is the probability he gets all 3 correct?
1/8
1/3
1/2
1/6
You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?
Its more than 1.
It should have been 5/6.
Its not written as a percent.
Its not written as a decimal.
Which of these cannot be considered a probability of an outcome?
0
-1/5
1
100
Roll a die one time. Find P(rolling a 4).
1/6
1/3
2/3
2/3
Roll a die one time. Find P(even number).
1/2
1/6
3/6
1/3
Roll a die one time. Find P(a number greater than 3 or odd).
5/6
0
1/2
1/6
Draw one card from a standard deck. Find P(ace)
4/52
1/13
4/13
2/52
Draw one card from a standard deck. Find P(diamond)
25%
50%
15%
75%
Draw one card from a standard deck. Find P(ace of diamonds)
1/52
1/4
1/13
4/13
Draw one card from a standard deck. Find P(4 or club)
4/13
7/52
2/13
1/26
What is the probability that you choose blue? simplify your answer
5 green
6 yellow
8 blue
7 brown
4/13
8/26
8/25
1/3
