Basic Probability

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of choosing a vowel from the alphabet?

• 5/26

• 1/26

• 2/26

• 7/21

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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