
Normal Distribution
Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
+4
Standards-aligned

Ugarhon Serrette
Used 9+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Students pass a test if they score 50% or more.
The marks of a large number of students were sampled and the mean and standard deviation were calculated as 42% and 8% respectively.
Assuming this data is normally distributed, what percentage of students pass the test? in percentage...
5
16
24
32
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The ages of the population of people living in Meru area in Ipoh are Normally distributed with mean 43 and standard deviation 14
The town has a population of 5,000.
How many would you expect to be aged between 22 and 57?
You can use this Standard Normal Distribution curve:
1750
3860
3870
4330
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
68% of the marks in a test are between 51 and 64
Assuming this data is normally distributed, what are the mean and standard deviation?
Mean = 57
S.D. = 6.5
Mean = 57
S.D. = 7
Mean = 57.5
S.D. = 6.5
Mean = 57.5
S.D. = 13
Tags
CCSS.HSS.ID.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mean July daily rainfall in Hulu Kinta is 10 mm and the standard deviation is 1.5 mm
Assume that this data is normally distributed.
How many days in July would you expect the daily rainfall to be less than 8.5 mm?
5
6
7
10
Tags
CCSS.HSS.ID.A.4
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
5.
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
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 75 and 82?
68%
81.5%
16%
34%
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?
34%
81.5%
16%
2.5%
Tags
CCSS.HSS.ID.A.4
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