PROBABILITY

Find the probability of the event:

Getting an even number in a single roll of a die

(Answer must be simplified)

• 2/6

• 1/6

• 3/6

• 1/2

Answer explanation

Even numbers that can possibly occur in a roll of a die are 2,4,6. So, it give 3/6 originally but the simplified answer must be 1/2.

Find the probability of the event:

Getting a sum of 6 when two dice are rolled

(Answer must be simplified)

• 5/12

• 5/18

• 5/24

• 5/36

Answer explanation

Possible outcomes for a sum of 6 when rolling two dice, 1+5, 2+4, 3+3, 4+2, 5+1

And the sample space for rolling two dice is 36.

So, the answer must be 5/36

Find the probability of the event:

Getting an ace when a card is drawn from a deck

(Answer must be simplified)

• 2/52

• 1/13

• 4/52

• 1/26

Answer explanation

There are 4 aces in a deck of card with 52 overall cards. So, the probability is 4/52 or 1/13

Find the probability of the event:

Getting a sum of 7 when two dice are rolled.

(Answer must be simplified)

• 1/2

• 5/36

• 6/36

• 1/9

Find the probability of the event:

Getting a red queen when a card is drawn from a deck.

(Answer must be simplified)

• 4/52

• 2/52

• 1/13

• 1/26

Find the probability of the event:

Getting a 9 when a card is drawn from a deck.

(Answer must be simplified)

• 4/52

• 2/52

• 1/13

• 1/26

Find the probability of the event:

Getting a violet ball from a box containing 4 blue balls and 7 violet balls

(Answer must be simplified)

• 4/11

• 7/11

• 6/11

• 2/11

Find the probability of the event:

Getting an odd number and a tail when a die is rolled and a toin is tossed simultaneously.

(Answer must be simplified)

• 3/36

• 3/12

• 1/4

• 1/3

Find the probability of the event:

Getting a red card when a card is drawn from a deck.

(Answer must be simplified)

• 1/13

• 1/2

• 13/52

• 26/52

Find the probability of the event:

Getting a king when a card is drawn from a deck.

(Answer must be simplified)

• 1/13

• 4/26

• 4/52

• 1/26