Probability Part 2

What is the probability of a square?

• 2/12 = 1/6
• 4/12 = 1/3
• 3/12 = 1/4
• 5/12

You roll a pair of number cubes (dice). Which equation represents how to find the probability of rolling a 2 and an odd number?
P(2, then odd)

• ⅙ x ½ = 1/12
• ⅙ + ½ = 2/8
•  ½ x ½ = 1/4
• ⅓ + ½ = 5/6

If I roll a die 100 times, ABOUT how many times could I expect to roll a number greater than 4?

• 30
• 50
• 90
• 70

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)

• 1/18
• 2/5
• 3/7
• 4/9

A standard deck of 52 playing cards has 4 suits (Spades, Hearts, Clubs, and Diamonds), each containing 13 cards. The players take turns, each drawing a card at random from the deck and placing the card face up on the table. When it is the fifth player's turn, there are 2 Diamonds, 1 Heart, and 1 Club on the table. What is the probability that the fifth player will draw a Diamond?

• 4

• 14

• 28

• 49

• 98

If I spin 35 times, how many times should the color yellow show up?

• 1
• 5
• 7
• 10

A manufacturer inspects 50 computer monitors and finds that 45 have no defects.  If the manufacturer sells 20,000 computer monitors, predict the number that have no defects.

• 1000
• 2000
• 9000
• 18,000

Based on the chart, what is the experimental probability of pulling a green marble?

• 1/8
• 8/25
• 8/100
• 7/8

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5