PROBABILITY CLASS - 9

The sum of all probabilities equal to ?

• 4

• 1

• 3

• 2

The probability of drawing an ace card from a deck of cards is ?

• 1/52

• 1/26

• 4/13

• 1/13

A dice is thrown. The probability of getting 1 and 5 is ?

• 1/6

• 2/3

• 1/3

• 1/2

What is the probability of impossible events?

• 1

• 0

• more than 1

• less than 1

There are 4 green and 2 red balls in a basket. What is the probability of getting the red balls?

• 1/2

• 1/3

• 1/5

• 1/6

If two coins are tossed simultaneously, then what is the probability of getting exactly two tails?

• 1/4

• 1/2

• 1/3

• None of the above

The sum of the probabilities of all events of a trial is ?

• 1

• GREATER THAN 1

• LESS THAN 1

• BETWEEN 0 AND 1

Performing an event once is called ?

• SAMPLE

• TRIAL

• ERROR

• NONE OF THE ABOVE

Which of the following cannot be the probability of an event?

• 1

• 0

• 0.75

• 1.3

A batsman hits boundaries for 6 times out of 30 balls. Find the probability that he did not hit the boundaries ?

• 1/5

• 2/5

• 3/5

• 4/5