Probability Quiz

What is the probability of

randomly selecting an odd

number from the numbers

1 -15?

Twelve students have an

equally likely chance of being

selected in a drawing at

school. Eight are 7th graders

and four are 8th graders.

What is the probability that an

8th grader will be selected?

In a game, the player is successful if he rolls a 4 on a

number cube. If the number cube is rolled 24

times, how many times could he expect an

unsuccessful roll?

Jason rolls a standard dice 100 times and rolls an odd number 59 times. He states that the theoretical probability of rolling a dice and getting an odd number is 59/100. Is this a true or false statement?

Two coins are flipped. What is the

probability that both coins land on heads?

At a school assembly, 3 out of the first 10

students were wearing spirit wear. Based on

this information, if 400 students were at the

assembly, then how many students could be

expected to have on spirit wear?

There are five marbles in a bag. Three are

green and two are yellow. You draw a marble,

replace it, and then draw another. What is the

probability of choosing two yellow marbles?

Two number cubes are rolled sequentially.

What is the probability that the first number

cube shows a five and the other number cube

shows an even number?

There are five candies in a bag. Three are

chewy, and two are chocolate. You draw a

candy, do not replace it, and then draw another.

What is the probability of choosing two

chocolate candies?

The letters in the word AUGUST are placed

in a bag. What is the probability of selecting a

U?