Probability of 1 or 2 events

In a standard deck of 52 playing cards, what is the probability that a randomly chosen card is a red 7 ?

• 1/24
• 1/25
• 1/26
• 1/30

The probability of Asher's soccer team winning its next game is 7/10.  What is the probability of not winning their next game?

• unlikely
• 3/10
• 1/2
• impossible

Tags

CCSS.7.SP.C.5

Probability can be written as a 

• fraction
• decimal
• percent
• all of the above

What is the theoretical probability of picking a 7 from a standard deck of 52 cards?

• 1/13
• 4/13
• 1/2
• 3/4

Tags

CCSS.7.SP.C.7B

The probability of A is given P(A) = .4  and the probability of B is given P(B)=.25.  If the Probability of the intersection (A AND B) is .13, Find the probability of choosing A OR B. Hint - use the addition rule!

• .5
• .78
• .13
• .52

Tags

CCSS.HSS.CP.B.7

In a standard deck of 52 cards there are 13 diamonds and 13 hearts (red) and 13 spades and 13 clubs (black).  Find the probability of choosing a card at random that is a spade OR a 7

• 1/52
• 1/13
• 4/13
• 17/52

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

In a standard deck of 52 cards there are 13 diamonds and 13 hearts (red) and 13 spades and 13 clubs (black).  Find the probability of choosing a card at random that is a spade AND a 7

• 1/52
• 1/26
• 1/13
• 1/8

find the probability of choosing a student at random that plays an instrument OR a sport

• 1/2
• 13/20
• 21/20
• 4/5

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

CCSS.HSS.ID.B.5

Find the probability of choosing a student at random that plays an instrument and a sport

• 21/20
• 8/11
• 4/5
• 2/5

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.4

CCSS.HSS.ID.B.5

Find the probability of choosing 1 person at random that plays an instrument

• 11/20
• 2/5
• 2/9
• 11/9

Tags

CCSS.7.SP.C.7B