Chapter 2 Practice
Authored by Katlyn DeLaney
Mathematics
9th - 12th Grade
CCSS covered
Used 14+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What shape is a normal distribution curve?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the empirical rule, what percentage of data falls within 1 standard deviation?
Tags
CCSS.HSS.ID.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the empirical rule, how much of the data falls within 3 standard deviations?
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use the following information and the Empirical Rule to estimate the answer.
The ages of golfers are normally distributed, with a mean of 38 and a standard deviation of 4.
Find the percentage of golfers that are between 30 and 46 years old.
68%
94%
95%
99.7%
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The mean GPA of students in a course at UCDavis is 3.2 with a standard deviation of 0.3. What percent of students in the course have a GPA between 2.9 and 3.8?
Tags
CCSS.HSS.ID.A.4
6.
MULTIPLE CHOICE QUESTION
2 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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
95% of students at school weigh between 62 kg and 90 kg.
Assuming this data is normally distributed, what are the mean and standard deviation?
Mean = 66 kg
S.D. = 7 kg
Mean = 76 kg
S.D. = 7 kg
Mean = 86 kg
S.D. = 7 kg
Mean = 76 kg
S.D. = 14 kg
Tags
CCSS.HSS.ID.A.4
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