Concept 23 Review (PA7)

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

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 3?

• 1/12

• 1/4

• 1/8

• 1/2

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5
• 1/21
• 4/25
• 1/7

A box contains 6 yellow, 4 purple, and 3 pink cards. Cards are taken at random and NOT REPLACED. Find the probability (yellow, then pink)

A box contains 6 yellow, 4 purple, and 3 pink cards. Cards are taken at random and NOT REPLACED. Find the probability (purple, then yellow)

• 73

• 105

• 25

• 0

Estimate the square root.

NO CALCULATOR

• 7.4

• 23

• 6.8

• 6.5

• 6.2

Which point best represents √27?

NO CALCULATOR

• point A

• point B

• point C

• point D

• point E