Probability Quiz Review: Homework 3A, due 3/21

If Sue flips a coin and rolls a 12 sided die, these 2 events can best be described as -

• Inverse

• Direct

• Dependent

• Independent

When a second event is effected by the first event, they are said to be -

• Independent

• Dependent

A blue marble is drawn and replaced, then a second marble is drawn from the bag. These events are -

• Direct

• Independent

• Inverse

• Dependent

A teacher chooses 2 students from list A. This is best described as:

List A: Joe, Amy, Jerry, Harold, Abby, Carla, Martin, Dylan

• Independent

• Dependent

There are 3 pizzas to choose from - pepperoni, veggie and cheese. Melissa gets first choice then John gets the second choice. These events are -

• dependent

• independent

Find the probability of rolling a die with a 6-sided cube and landing on a 2, and choosing a red card from a standard deck of 52 cards.

• 26/52

• 1/12

• 1/2

• 1/6

In Angie's sock drawer there are 8 gray socks, 4 white and 2 blue and 6 black socks. What is the probability that Angie will pull out a black sock, put it on, and then pull out a white sock?

• 10/39

• 10/380

• 6/95

• 24/39

Abby has a bag of 25 jelly beans. There are 15 watermelon, 5 grape and 5 peach. She chooses a peach and puts it back and tries for a watermelon. What is the probability that she will choose the peach one, then a watermelon jelly bean?

• 20/40

• 3/16

• 20/400

• 75/40

Melissa has a box of candy with 4 caramels, 3 chocolate covered peanuts, and 3 chocolate Oreos. What is the probability that she will first choose a chocolate Oreo and eat it, followed by a chocolate caramel?

• 2/15

• 7/19

• 12/19

• 12/90

Using a standard number cube, what is the probability of first rolling an even number, then rolling an odd number?

• 2/4

• 1/2

• 1/4

• 1/8