Mutually exclusive events

Rolling an odd number and rolling an even number on a normal six-sided die are

• Mutually exclusive

• Not mutually exclusive

Rolling a prime number and rolling an even number on a normal six-sided die are

• Mutually exclusive

• Not mutually exclusive

There are 12 red roses, 5 yellow roses and 3 white roses in a vase. Felix takes a rose, at random, from the vase.

What is the probability of him not choosing a red rose?

There are 12 red roses, 5 yellow roses and 3 white roses in a vase. Felix takes a rose, at random, from the vase.

What is the probability of him not choosing a yellow rose?

Leon throws a biased coin. The probability of getting tails is 0.4.

Work out the probability of getting heads.

• 0.4

• 0.6

• 0.8

• 0.2

Edith plants a daffodil bulb. The probability that the bulb will grow is 0.8.

What is the probability that the bulb will not grow?

• 0.8

• 0.2

• 0.4

• 0.6

Wycombe Wanderers play a match of football. The probability that they win the match is 0.28. The probability that they draw the match is 0.55.

Work out the probability that they lose the match.

• 0.45

• 0.72

• 0.83

• 0.17

There are only Pink, Yellow, Green and Blue counters in a bag. The table shows the probability of picking each colour.

What is the probability of picking a Yellow counter?

• 0.8

• 0.2

• 0.7

• 0.3

There are only Pink, Yellow, Green and Blue counters in a bag. The table shows the probability of picking each colour.

There are 40 counters in the bag. How many are blue?

• 2

• 8

• 4

• 6

• 0.25

• 0.3

• 0.75

• 0.35