
Inverse Normal Distribution
Authored by Qianrui Long
Mathematics
11th - 12th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (14, 49)
Find x if P(X < x) = 0.8
19.9
8.1
5.0
23.0
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (14, 49)
Find x if P(X < x) = 0.46
9.7
13.3
14.7
18.3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (36.5, 10)
Find x if P(X > x) = 0.9
23.7
40.6
32.4
49.3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (36.5, 10)
Find x if P(X > x) = 0.4
34.8
35.7
37.3
38.2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (0, 12)
Find x if P(|X|< x) = 0.5
2.34
3.99
0
2.47
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
X ~ N (0, 12)
Find x if P(|X|< x) = 0.8
4.44
0.88
2.92
-2.92
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A test is designed so that it has a mean of 100% and a standard deviation of 20. What score is needed to be in the top 2% of scorers?
117
147
59
141
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