Empirical Rule & Z-Score practice
Authored by Domenick Piscioneri
Mathematics
12th Grade
CCSS covered
Used 11+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
5 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
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
CCSS.HSS.ID.A.3
CCSS.HSS.ID.A.2
3.
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 99.7% of molds filled by this machine will hold weights in what interval?
Tags
CCSS.HSS.ID.A.4
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What shape is a normal distribution curve?
Tags
CCSS.HSS.ID.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.1
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