Probability

What shape is a normal distribution curve?

• Half curve
• Round curve
• Bell curve
• Square curve

A die is rolled once. What is the probability of rolling a 5? Your answer should be a fraction in simplest form.

• 1/6

• 1/3

• 2/5

• 5/6

A likely chance event is closer to what number?

• 0

• 0.5

• 1

• 100

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile?

• 5/9
• 4/9
• 1/2
• 1/9

Find the probability of rolling a 7 on a single die.

• 1/6

• 7/6

• 0

• 7/7

If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown

• 8/26
• 4/13
• 8/25
• 1/3

The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=

• 1/8
• 5/8
• 7/8
• 3/7

If you roll one die, what is the probability of getting an even number or a multiple of 3? Are the events mutually exclusive or not?

• Not mutually exclusive

• Mutually exclusive

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