Delehant: Empirical Rule
Authored by Amy Delehant
Mathematics
9th Grade - University
CCSS covered
Used 187+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 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.HSF-LE.A.1B
2.
MULTIPLE CHOICE QUESTION
30 sec • 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 is the GPA of the highest 2.5% of the students?
Tags
CCSS.HSS.ID.A.4
3.
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 600 and 700? Calculate the probability.
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a population, if μ=125 and σ=25, how common are values in the 100 – 175 range?
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 12 oz can of soda has a mean volume of 12 oz, with a standard deviation of .25 oz. How common are cans with less than 11.5 oz of soda? Calculate the probability.
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 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.MD.A.3
CCSS.HSS.MD.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The average waist size for teenage males is 29 inches with a standard deviation of 2 inches.
If waist sizes are normally distributed, determine the z-score of a teenage male with a 33 inch waist.
Tags
CCSS.HSS.ID.A.4
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