A bag contains only red, green and blue counters. What is the probability of choosing a blue counter?
0.2
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?
995
What is the probability of getting a number greater than 5?
3/8
The probability of choosing black is twice that of choosing green. What is the probability of choosing green?
0.2
What is the probability of the spinner not landing on red?
7/10 (or any variation)
A weather forecaster states that the probability of it raining tomorrow is 3/7. what is the probability that it will not rain tomorrow?
4/7
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.
256
The probability of catching flu is 0.38. What is the probability of not catching flu?
0.62
If you spin the spinner and toss the coin at the same time, how many possible outcomes are there?
12
A tombola has balls numbered from 1 to 50. What is the probability of picking a prime number?
15/50 (or any variation)
What is the probability of someone being born in January?
1/12
When rolling a dice, what is the probability of throwing a square number?
2/6 (or any variation)
In words, what is the probability of being younger tomorrow than you are today?
impossible
The probability of picking blue or green is the same. What is it?
0.22
What is the probability of someone being born on a Friday?
1/7
The probability that a biased dice will land on a five is 0.3. If the dice is rolled 400 times,work out an estimate for the number of times the dice will land on a five.
120