AP Stats Unit
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Anthony Clark
FREE Resource
Enhance your content in a minute
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What percent of the AP exam will involve content from Unit 1?
10-20%
12-15%
15-23%
2-5%
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
When choosing between different models to describe a relationship between two quantitative variables (select all that apply):
If there is more than one model with a randomly scattered residual plot, choose the model with the largest coefficient of determination, r2.
use the standard deviation of the residuals to help choose a model, as the y values for the different models might be on different scales
Choose the model whose residual plot has the most random scatter.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A box contains 3 brand A batteries and 7 brand B batteries. 30% of brand A batteries are faulty and 40% of brand B batteries are faulty. A battery is selected at random and then checked to see if it is faulty. What is the probability that a faulty brand B battery is selected?
0.28
1/4
0.42
0.21
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability both are odd?
1/4
1/2
2/4
3/4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given that a non-faulty battery is chosen, what is the probability that the battery is Brand A? Info needed: Brand A has 3 batteries in a pack of 10, and Brand B are the remaining in the pack. 30% of Brand A batteries are faulty while 40% of Brand B batteries are faulty.
0.21
0.33
0.63
0..42
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the probability that a student does play a sport given they do not play an instrument?
.2
.2222
.10
.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the probability that a female is chose given they like a Toyota?
.525
.4627
.6774
.3143
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