Class 9 Probability

What is the probability of a sure event?

• 0

• 0.5

• 1

• 2

• None of these

Tags

CCSS.7.SP.C.5

What is an event?

• Any outcome of an experiment

• Possible outcome of an experiment

• Impossible outcome of an experiment

• Any 1 outcome of an experiment

• 0

What is the total number of outcomes when 2 dices are rolled together?

• 6

• 24

• 12

• 18

• 36

What is the probability of getting a sum of 12 when a dice is rolled?

• 2

• 4

• 1

• 0

• 6

Tags

CCSS.7.SP.C.5

Which of the following is true?

• There are 4 aces in a deck of cards.

• There are 13 red clubs and 13 red hearts in a pack.

• There are 2 facecards in a pack

• There are 64 outcomes when 3 dices are thrown at once

• The joker card is a face card

A coin was tossed 200 times. No. Of tail was 88. What is the probability of getting a head?

•  $112\div200$  

•  $88\div200$  

•  $0.56$  

•  $0$  

Tags

CCSS.7.SP.C.6

What is the probability of spinning the spinner and landing on the 7?

• impossible
• equally likely 
• unlikely 
• very likely 

Tags

CCSS.7.SP.C.5

Probability is ...

• the chance that some event will occur.

• a game that involves coins.

• a guarantee.

• A game that involves playing cards and tossing coins

• The chance of gambling

Tags

CCSS.7.SP.C.5

The chart below represents the number of marbles in a jar.

P(green) =

• 5/19

• 10/28

• 5/14

• 14/19

Tags

CCSS.7.SP.C.7B

At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people.  If a person is selected at random, find the probability that the person is either a lifeguard or a manager.

• 2/3
• 8/15
• 2/15
• not enough information

Tags

CCSS.HSS.CP.B.7