AP Stats chapter 1 & 2

Quiz
•
Mathematics
•
12th Grade - University
•
Medium
+14
Standards-aligned
Jay Stevens
Used 28+ times
FREE Resource
57 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The area under the standard normal curve corresponding to -0.2 < z < 2.03 is
0.5581
0.5686
0.3995
0.4100
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The scores of the math portion of the SAT are approximately normal with a mean of 510 and a standard deviation of 42. Approximately what percent of students will score higher than 600?
0.9838
0.0162
0.0179
0.9821
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The life span of ladybugs is approximately normally distributed with a mean of 18 months and a standard deviation of 2.5 months. Only about 5% of ladybuds will have a lifespan outside which interval?
15.5 to 23 months
15.5 to 20.5 months
13 to 23 months
10.5 to 25.5 months
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The average high temperature in July for a midwest city is 89 degrees. What is the standard deviation if 15% of July's on record for the city have an average high temperature above 91.5 degrees? Assume average temperatures are normally distributed.
s = 0.060
s = 16.667
s = 0.416
s = 2.404
Tags
CCSS.HSS.IC.A.1
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
95% of students who take the AP stats exam need between 186 and 214 minutes to complete it. What is the standard deviation of time students need to finish the exam? Assume times are normally distributed.
4.67 minutes
14 minutes
7 minutes
28 minutes
Tags
CCSS.HSS.ID.A.2
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suppose that the mean of a set of values is 20, and the standard deviation is 3. If each value is increased by 5, what will be the mean and standard deviation of the new set of values?
mean = 25, sd = 8
mean = 20, sd = 3
mean = 20, sd = 8
mean = 25, sd = 3
Tags
CCSS.HSS.MD.A.2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A college offers scholarships to students who score in the top 2% of students on an entrance exam. If the mean score on the exam is 176 and the standard deviation is 4, what is the minimum score a student would need to get a scholarship?
167.80
184.20
176.08
179.92
Tags
CCSS.HSS.ID.A.4
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