Basic Probability Review

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

• 1

• 2

• 4

• 8

Which of the following are possible samples spaces for tossing 2 coins? (May be more than one correct answer)

• {H, T, H, T}

• {HH, HT, TH, TT}

• {H, T}

• {T, H}

• {TT, HH, TH, HT}

Tags

CCSS.7.SP.C.8

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.

Tags

CCSS.7.SP.C.5

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

• 1/4

• 2/3

• 1/6

• 1/2

Tags

CCSS.7.SP.C.5

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

• 1/2

• 1/3

• 3/6

• 2/6

Tags

CCSS.7.SP.C.5

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

• 0

• 1

• 7/6

• 1/6

Tags

CCSS.7.SP.C.5

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

• 1/13

• 1/4

• 4/13

• 1/52

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

• 8%

• 25%

• 31%

• 2%

Tags

CCSS.7.SP.C.5

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.5

Probability can be expressed as a number between_____ and _____.

• 90 and 100

• 0 and 10

• 0 and 1

• -1 and 1

Tags

CCSS.7.SP.C.5