Empirical Rule
Authored by Kyle Brossard
Mathematics
9th - 10th Grade
CCSS covered
Used 380+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 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 95% of molds filled by this machine will hold weights in what interval?
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
5 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
1 min • 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
1 min • 1 pt
Which interval shows 68% of the data given a mean of 15 and a standard deviation of 3?
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which interval shows 99.7% of the data given a mean of 15 and a standard deviation of 3?
9 to 21
12 to 18
6 to 24
13 to 16
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percent of people within 3 standard deviations of the mean?
99.7
34
68
95
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What percent of people within 2 standard deviations of the mean?
99.7
34
68
95
Tags
CCSS.HSS.ID.A.4
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