Probability of Independent and Dependent Events

You roll a 2 on a number cube and spin a 3 on a spinner. Is an example of __________ event?

• Independent

• Depenedent

You choose a King from a deck of cards and get heads in a coin toss. Is an example of __________ event?

• Independent

• Depenedent

You roll a number cube and get a 6, and roll again if the first roll is a 6. Is an example of __________ event?

• Independent

• Depenedent

Get an odd number on a spinner and a red marble from a bag of marbles. Is an example of __________ event?

• Independent

• Depenedent

Is the following independent or dependent?

using a standard deck of playing cards:

P(A):Selecting a queen with replacement

P(B): selecting a king

• independent

• dependent

You choose a class member for your study group, then choose an additional classmate. Is an example of __________ event?

• Independent

• Depenedent

What is P(A and B) if P(A) = 1/2 and P(B) = 2/7, where A and B are independent events?

• 1/7

• 1/12

• 5/8

• 1/2

What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?

• 5/6

• 1/36

• 1/3

• 1/6

What is the probability of rolling a 4 on a fair number cube and getting “tails” when tossing a coin?

• 1/7

• 1/12

• 5/8

• 1/2

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green? Simplify.

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4