A bag contains 400 coloured counters, which are either red, blue or green. There are 92 red counters. The probability that a blue counter is chosen is 0.13. Calculate the number of green counters.

A tombola has balls numbered from 1 to 50. What is the probability of picking a prime number?

A bag contains only red, green and blue counters. What is the probability of choosing a blue counter?

What is the probability of someone being born in January?

The probability of catching flu is 0.38. What is the probability of not catching flu?

What is the probability of getting a number greater than 5?

A company manufactures sports equipment. The probability that a piece of equipment will be faulty is 0.005 If 1000 pieces of equipment are made, approximate how many are likely to be okay?

The probability of choosing black is twice that of choosing green. What is the probability of choosing green?

A weather forecaster states that the probability of it raining tomorrow is 3/7. what is the probability that it will not rain tomorrow?

What is the probability of someone being born on a Friday?

The probability of picking blue or green is the same. What is it?

In words, what is the probability of being younger tomorrow than you are today?