Probability

20% probability

• certain

• likely

• unlikely

• uncertain

100% probability

• certain

• likely

• unlikely

• uncertain

What is the probability of opening a book with 428 pages in it to page 45?

• the numbers 1 to 428

• 1/428

• 1/2

• 45/428

The probability of opening a book with 428 pages to an even numbered page.

• the numbers 1 to 428

• 1/428

• 1/2

• 25

A spinner has four equal sections and one letter from the word "MATH" in each section. If you spin the spinner 20 times, how many times would you expect it to land on the letter A?

• 25 times

• 1/4 times

• 5 times

• 4 times

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

• 1/3

• 1/6

• 1/2

• 2/3

A regular 6-sided die is to be rolled once. What is the probability that a number less than or equal to 4 is rolled?

• 1/2

• 1/4

• 5/6

• 2/3

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

• 1/2

• 1/7

• 2/15

• 2/17

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible