Independent Probability

To find the probability of 2 or more events, you have to ________ the probability of each event.

• multiply

• divide

• add

• subtract

Tags

CCSS.HSS.CP.B.7

Probability of:

Spinning a 3

Drawing an A

• 2/8

• 1/4

• 1/16

• 1/8

Probability of:
Spinning a 1
Drawing an A

• 1/4
• 3/8
• 4/12
• 3/32

Tags

CCSS.7.SP.C.7B

A bag has 6 black checkers and 4 red checkers.

Find the probability of drawing a black checker from a bag , replacing it, and drawing another black checker.

• 24/100 = 6/25

• 36/100 = 9/25

• 16/100 = 4/25

• 36/90 = 2/5

What is the chances of rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.

• 3/36 = 1/12

• 6/36 = 1/6

• 4/36 = 1/9

• 18/36 = 1/2

Tags

CCSS.HSS.CP.B.7

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails?

• 17/26

• 4/52 = 1/13

• 20/52 = 5/13

• 10/52 = 5/26

The two spinners above are spun. What is the probability of getting a perfect square (1,4,9,16), then the letter Z?

• 24/160 = 3/20

• 72/160 = 9/20

• 20/160 = 1/8

• 44/160 = 11/40

What is the probability of spinning an even number, then spinning a letter D?

• 0

• 24/48 = 1/2

• 16/48 = 1/3

• 12/48 = 1/4