Probability

Question 1

Probability always adds up to

Answer 1

1

Question 2

Always write probability as a

Answer 2

Fraction, decimal or percentage

Question 3

A fair 6-sided dice is rolled. Find the probability that the dice lands on an odd number.

Answer 3

3/6 = 1/2

Question 4

The probability of a bus being on time is 0.31. Work out the probability of the bus not being on time.

Answer 4

100-0.31= 0.60

Question 5

There are 21 counters in a bag. 8 of the counters are red and the rest are blue. A counter is taken from the bag at random. Find the probability that the counter is blue.

Answer 5

21-8=13 = 13/21