Probability Review (Class Quizzzzzz)

Experimental Probability is...

• what will happen 
• what actually happens
• what should happen
• what I think happens

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

Theoretical Probability is...

• what should happen
• what does happen
• what will happen
• what I want to happen

Tags

CCSS.7.SP.C.5

Which set represents the sample space for all the possible outcomes of tossing a coin twice?

• H,T

• HH, TT

• H, T, H, T

• HH, HT, TH, TT

Dan has 5 pencils and 7 pens in his bag.

What is the theoretical P(choosing a pencil)?

• 5/7
• 5/12
• 7/12
• 7/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag has 15 packs of chewing gum: 5 packs of spearmint, 7 packs of cinnamon, and 3 packs of wintergreen. If you selected 2 packs at random, what is the probability you will select a wintergreen pack first and a cinnamon pack second?

• 1/2

• 2/15

• 1/10

• 1/12

What is the experimental probability of landing on orange or red?

• 2/5
• 3/8
• 3
• 10 times

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

A dice was rolled five times and the following were rolled: 1, 3, 3, 4, 4

Based on this information, find the experimental P(1).

• 3/5
• 1/6
• 2/5
• 1/5

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

Lollipops come in a bag with four flavors. In a small bag, Edwin counted and noted that he had 10 cherry, 8 lime, 6 orange, and 6 grape lollipops. If he decides to buy a bag with 60 lollipops, how many of the lollipops can he expect to be lime flavored?

• 8

• 16

• 24

• 28

The local appliance dealership conducted a survey of 500 potential refrigerator buyers. Based on the survey’s results shown below, how many of the 600 refrigerators on the dealership’s next factory order should be refrigerators with a bottom freezer?

• 25

• 30

• 45

• 50

To determine if my students like Math, I surveyed every 3rd student that walked into my classroom. Identify the sample as biased or unbiased.

• unbiased sample

• biased sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1