Independent Events with Compound Probability

Leslie has three quarters and she dropped all three of them. What is the probability that all three quarters will land on heads?

• 1/27
•  1/8
•  1/3
•  1/6

Fernando has a standard deck of cards. What is the probability that Fernando will choose a card that is a club replace it and then choose a red card?

• 1/8
•  1/4
• 1/6
• 1/16

Yuliana had three pizzas delivered in unmarked boxes, one pepperoni,  one cheese, and one sausage. She randomly picked a box, took a piece and put the box back. Later she went back and randomly picked a box again. What is the probability that she will have chosen the pepperoni box both times?

• 1/9
• 1/6
• 1/3
• 1/4

Carrie has a handful of m&ms in a bag. There are 2 red, 1 blue, 2 yellow, 1 green,  1 orange, and  3 brown. She really hates the brown ones. What is the probability that she would pick  a brown one, put it back and then pick another brown one?,

• 3/10
• 9/100
• 3/100
• 910

What is the probability of rolling a 2 on a dice AND pulling a spade out of a deck of cards?

• 1 ⁄ 10
• 1 ⁄ 12
• 1 ⁄ 24
• 1 ⁄ 6

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

• 2⁄ 32
• 2 ⁄ 24
• 3 ⁄ 24
• 1 ⁄ 8

What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?

• 1 ⁄ 6
• 1 ⁄ 8
• 1 ⁄ 2
• 1 ⁄ 12

Geraldo has a deck of cards and a bag of marbles with 4 red, 6 blue, 3 green, and 2 yellow marbles. What is the probability that he draws a 7 out of the deck of cards and then pulls a blue marble out of the bag?

• 6⁄ 15
• 24/780
• 7 ⁄19
• 6⁄52

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?

• 1 / 16
• 1 ⁄ 6
• 1 ⁄ 8
• 3 ⁄ 4

A box contains all the letters of the word U N D E R S T A N D. What is the probability of selecting an 'N' first and a 'D' next, if the first letter is replaced?

• 1/100
• 4/100
• 4/10
• 2/10