Prob Stat Chapter 4

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8

• 7/8

• 1

• 7

Permutation, combination, or neither?
5 group leaders chosen from a class of 22 students.

• combination

• permutation

• neither

5 out of 13 students ride in a car instead of a van. How many combinations of 5 students are possible?

• 154,440

• 1,287

• 1716

There are 23 marbles, each a different color in a bag. One of them is pink. What is the probability of reaching in to the bag, without looking, and selecting a pink marble?

• 1/22

• 1/23

• 23/1

• 22/1

There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?

• 15/15

• 1/2

• 15/40

• 15/30

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

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 you spin the spinner 90 times, how many times should the number 3 be selected?

• 9

• 15

• 16

• 30

What is the probability of rolling 15 with a pair of dice?

• impossible

• unlikely

• equally likely

• likely

The outcome table below shows the possible results of rolling a dice and flipping a coin.  Determine the probability of getting a head AND an even number in simplified form.

• 3/12

• 1/4

• 3/4

• 1/2