Probability Review

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

• 2/9
• 1/3
• 1/2
• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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(white, then purple, then black)

• 1/36
• 2/39
• 5/41
• 6/43

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

You flip a nickel three times.
Find the probability that all flips will land on tails.

• 1/2
• 1/4
• 1/6
• 1/8

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Find P(child and vanilla)

• .239

• .082

• .314

• .286

What is the probability you select a teen given that the person likes chocolate? P(Teen|Chocolate)

• .112

• .267

• .164

• .056

Are the events "is an adult" and "likes chocolate independent"?

• No, P(Adult) is not equal to P(Chocolate)

• No, P(Adult) is not equal to P(Adult|Chocolate)

• No, P(Adult) is not equal to P(Chocolate|Adult)

• No, P(Adult) is not equal to P(Chocolate and Adult)

Given the person is a child, what is the probability they would pick neither? Find P(neither|child)

• .26

• .195

• .286

• .214

P(Sandals):

• 16/22

• 16/20

• 5/9

• 20/16

P(Shorts and Shoes):

• 6/36

• 6/16

• 22/16

• 6/22