Probability Preview

Which of these cannot be considered a probability of an outcome?

• 1/3

• -1/5

• 0.80

• 112%

• 1

Tags

CCSS.7.SP.C.5

You give the answer to a probability problem as 6/5. The teacher marks it wrong. Why?

• It should have been 5/6.

• Its not written as a percent.

• Its more than 1.

• Its not written as a decimal.

Roll a die one time. Find P(rolling a 4).

• 1/4

• 2/3

• 1/6

• 1/2

Tags

CCSS.7.SP.C.7A

Roll a die one time. Find P(even number).

• 1/2

• 1/3

• 3/6

• 2/6

Tags

CCSS.7.SP.C.7B

Roll a die one time. Find P(a number less than 7).

• 0

• 1

• 7/6

• 1/6

Tags

CCSS.7.SP.C.7A

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?

• 1/2

• 1/3

• 1/6

• 1/8

Tags

CCSS.HSS.CP.B.9

Draw one card from a standard deck. Find P(ace of diamonds)

• 1/13

• 1/4

• 4/13

• 1/52

Tags

CCSS.7.SP.C.7B

Draw one card from a standard deck. Find P(diamond)

• 8%

• 25%

• 31%

• 2%

Tags

CCSS.7.SP.C.7B

Draw one card from a standard deck. Find P(ace)

• 1/13

• 1/4

• 4/13

• 1/52

Tags

CCSS.7.SP.C.7B

How many outcomes are in the sample space for tossing one coin?

• 1

• 2

• 4

• 8