Calculating Probability

Calculating probability of simple events: If a bag contains 5 red marbles, 3 blue marbles, and 2 green marbles, what is the probability of picking a red marble?

• 3/10 or 3/10

• 2/10 or 2/10

• 5/10 or 1/2

• 4/10 or 4/10

Tags

CCSS.7.SP.C.7B

A spinner has 6 equal parts. 4 parts are blue and 2 are green. What is the probability that it stops on a green part?

Tags

CCSS.7.SP.C.7B

What is the probability of the spinner shown landing on a number greater than 2 but less than 7?

• 1/4

• 3/8

• 1/2

• 1/8

Tags

CCSS.7.SP.C.7B

In a standard deck of 52 cards, what is the probability of drawing a heart or a spade?

• 1/2

• 1/4

• 1/3

• 1/16

Tags

CCSS.HSS.CP.B.7

Which shows how to calculate probability?

• 
• 

Tags

CCSS.7.SP.C.7B

Probability can be written as a 

• fraction

• decimal

• percent

• all of the above

Tags

CCSS.7.SP.C.5

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

Tags

CCSS.7.SP.C.7B

What is P(heads)?

• 50%

• 1%

• 25%

• 100%

Tags

CCSS.7.SP.C.5

In a math class with 19 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 14 students who completed the assignment. There were 6 students who passed the test and completed the assignment. What is the probability that a student passed the test? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7

In a math class with 19 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 14 students who completed the assignment. There were 6 students who passed the test and completed the assignment. What is the probability that a randomly selected student passed the test but did not complete the assignment? Write your answer as a fraction.

Tags

CCSS.HSS.CP.B.7