Population/Samples & Empirical Rule Practice
Quiz
•
Mathematics
•
12th Grade
•
Hard
+7
Standards-aligned
Bonnie Negrich
FREE Resource
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
In a factory, the weight of the concrete poured into a mold by a machine follows a normal distribution with a mean of 1150 pounds and a standard deviation of 22 pounds. Approximately 99.7% of molds filled by this machine will hold weights in what interval?
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
The mean life of a tire is 30,000 km. The standard deviation is 2000 km.
Then, 68% of all tires will have a life between ___________ km and __________ km.
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3?
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
What percent of people within 3 standard deviations of the mean?
99.7
34
68
95
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
What percent of people within 2 standard deviations of the mean?
99.7
34
68
95
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
What percent of people within 1 standard deviation of the mean?
99.7
34
68
95
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
What percentage of the data is between 1 and 2 standard deviations
34%
50%
2.35%
13.5%
Tags
CCSS.HSS.ID.A.4
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