68-95-99.7 rule
Authored by scott mcbride
12th Grade
CCSS covered
Used 32+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage of data that falls within three standard deviations of the mean?
99.7%
98.7%
95%
100%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage of data that falls within two standard deviations of the mean?
68%
99.7%
95%
98%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percentage of data that falls within one standard deviation of the mean?
67%
65%
72%
68%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 600 and 700? Calculate the probability.
2.5%
2.35%
16%
13.5%
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 300 and 500? Calculate the probability.
49.85%
47.5%
50%
83.85%
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 600? Calculate the probability.
47.5%
48.85%
50%
83.85%
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 700? Calculate the probability.
99.7%
95%
97.35%
None of the Above
Tags
CCSS.HSS.ID.A.4
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