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WorksheetsPost-Test in Module 2: Normal Distribution
Total questions: 15
Worksheet time: 11mins
Which of the following is the area under the normal curve?
0
1
2
3
The curve is symmetrical to which of the following?
mean
variance
standard deviation
area
If the z-value is 0.42, what is the area?
0.0800
0.0279
0.1628
0.3129
Find the area if the value of z = -0.13.
0.0248
0.0517
0.1398
0.2467
If the area is 0.4977, what is the z-value?
1.63
1.97
2.01
2.83
Find the area between z=-1 and z=3.
0.8300
0.8350
0.8400
0.8450
Find the area between z= -1.5 and z=-1.3.
0.0100
0.0200
0.0300
0.0400
If the area is 0.8351, what are the two values of z.
z=0.24 and z=0.31
z=1.6 and z=2.1
z=-0.13 and z=-1.3
z=-2.5 and z=1
Find the area of the proportion in the probability notation P(1< z <3).
0.1573
0.1574
0.1575
0.1576
Solve for the proportion of the area of the probability notation P(z >1).
0.1585
0.1586
0.1587
0.1588
Find the area of the proportion in the probability notation P(z > - 2.5).
0.9937
0.9934
0.9936
0.9938
Given mean = 180 and standard deviation = 15 in a college entrance examination, find the
corresponding z-value of the score by the following students if x = 150.
2
-2
2.5
-2.5
Given mean = 180 and standard deviation = 15 in a college entrance examination, find the
corresponding z-value of the score by the following students if x = 200.
1.33
1.66
1.99
2.22
What is the value of 70th percentile?
0.13
0.23
0.52
0.71
What is the value of 82nd percentile?
0.92
0.83
0.53
0.23
