Probabilities of Mutually Exclusive Events

If you are picking a card randomly from a deck of cards, the events of picking a jack and picking a heart are mutually exclusive.

• True

• False

If you are picking a card randomly from a deck of cards, the events of picking an ace and picking a ‘3’ are mutually exclusive.

• True

• False

If you are picking a card randomly from a deck of cards, the events of picking a spade and picking a diamond are mutually exclusive. (note: they are two different suites)

• True

• False

When rolling a single die, the events of rolling an even number and rolling a ‘5’ are mutually exclusive.

• True

• False

When rolling a single die, the events of rolling an odd number and rolling a prime are mutually exclusive.

• True

• False

When rolling a single die, the events of rolling an even and an odd number are mutually exclusive.

• True

• False

If a spinner is numbered 1 – 8, when you spin it the events of spinning an even number and a number less than 4 are mutually exclusive.

• True

• False

If a spinner is numbered 1 – 8, when you spin it the events of spinning an odd number and spinning an 8 are mutually exclusive.

• True

• False

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

What is the probability of either event occurring when you spin a spinner with numbers 1-4. Event A: spinning an odd number, Event B: spinning a 4?

• 1/2

• 3/4

• 1/4

• 1/8