Probability Quiz Review for Precal

How do you find compound probability? (The AND problems) (a)  

• Multiply your probabilities
• Add your probabilities
• Divide your probabilities
• Subtract your probabilities

A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow.  (a)  

• 4/121
• 8/121
• 3/121
• 6/121
• 5/121

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 2? 

• 1/12

• 1/4

• 1/8

• 1/2

Nathan spins the spinner below two times. What is the probability Nathan will spin red on the first spin and blue on the second spin? (a)  

• 9/64
• 9/25
• 3/8
• 1/4
• 2/23

If you draw one card from a standard deck, what is the probability of drawing a club or a red card?

Mathematical Equivalence

ON

A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles.  You choose one marble.   What is the probability of selecting a green or red marble?

Mathematical Equivalence

ON

In a standard deck of cards, what is the probability of picking the queen of hearts or a red card

Mathematical Equivalence

ON

In a standard deck of cards, what is the probability of picking a spade or a 10.

• 1/3

• 2/13

• 6/7

• 4/13

• 3/13

You roll a 6-sided number cube. What is the probability of rolling the number "4" three times in a row? (leave answer in fraction form in lowest terms)

• 3/100

• 1/216

• 1/6

• 1/2

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are green)

(a)  

• 1/15
• 2/9
• 1/3
• 1/2
• 1/4