Probability Revision

Question 1

A card is drawn from a pack of 52 cards. What is the probability the card is drawn is red?

Accepted Answer

13/52

Question 2

State the event that is complementary to rolling less than a 4 with a die?

Accepted Answer

Rolling a 5 or above

Question 3

Name all possible combinations for when a coin is tossed twice.

Accepted Answer

HT, TH, HH, TT

Question 4

Two rice is dolled, what is the probability that the second one shows an odd number?

Accepted Answer

1/2

Question 5

A card is selected at random from a pack of 52 cads. Find the Pr(a diamond or a red card):

Accepted Answer

26/52

Question 6

If you roll a die, what is the probability of landing on a 3?

Accepted Answer

1/6

Question 7

If a coin is tossed three times, what is the probability of getting 3 heads? Show as a decimal.

Accepted Answer

0.125

Question 8

A bag contains 30 balls of which 12 are red, 7 are blue and the rest black. Find P(not black):

Accepted Answer

11/30

Questions 8