Probability of Marbles Quiz

Given the bag of marbles. What is the P(factor of 8 | white)?

• 3/6

• 2/6

• 3/4

• 1/4

Given the bag of marbles. What is the P(red | factor of 9)?

• 1/3

• 2/3

• 1/4

• 2/10

Given a bag of marbles containing 3 red, 5 green and 2 white marbles. What is the P(Green and then Green) if the first marble was replaced?

• 5/10

• 25/90

• 25/100

• 20/90

Given a bag of marbles containing 4 red, 2 green and 3 white marbles. What is the P(Green and then Green) if the first marble was not replaced?

• 3/81

• 1/8

• 3/72

• 2/72

Bag #1 contains 3 red, 2 green and 1 blue. Bag #2 contains 4 red, 4 blue and 1 green. If you select a marble from bag 1 and drop it into bag 2 and select a marble from bag 2, what is the P(Red and then Red)?

• 12/60

• 15/60

• 12/54

• 15/54

A bag of marbles with 2 green and 3 white is a uniform probability because each marble is the same size and weight.

• True

• False

A uniform probability means that each element is only listed once.

• True

• False

A bag of marbles with 3 purple and 2 green as a sample space is listed {purple, green}.

• True

• False

The sample space {12, 34, 56} has 6 elements.

• True

• False

A multiple choice test with 3 questions and 4 possible answers for each question has a sample space of 64 elements.

• True

• False