Probability Mean

You pick a marble from this bag.

What is the probability you will choose either a solid black or solid white marble?

• 3/5

• 9/100

• 1/10

• 2/5

• 6/9

You have a bag of 17 marbles.  Four are blue, 6 are green, 2 are red, and the others are yellow.  What is the probability of drawing a red marble, putting it aside, and then drawing a green marble?

• 1/136

• 2/17

• 3/68

• 3/17

• 4/71

You roll a six sided die. What is the probability of rolling an even number three times in a row?

• 3/100

• 1/2

• 1/6

• 1/8

• 3/8

The gift of _____ had a probability of 4/25 of being picked.

• Flowers

• Perfume

• Jewelry

• Clothes

• None have a probability of 4/25

Find the mean of the probability distribution.

• 85

• 83.2

• 87.1

• 84.4

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 choose from the following M & M colors, what is the probability that you choose blue?

• 8/26

• 4/13

• 8/25

• 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

How many people have two or less books in their desk?

• 4

• 5

• 6

• 7

• 1/2
• 1/8
• 1/3
• 1/12