Summative Quiz - Normal Distribution
Quiz by Cathy Tumarao
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- Q1
Which of the following is the area under the normal curve?
2
3
0
1
60s - Q2
The curve is symmetrical to which of the following?
Standard deviation
Area
mean
variance
60s - Q3
If the z-value is 0.42, what is the area?
0.1628
0.0279
0.3129
0.0800
60s - Q4
Find the area if the value of z = -0.13.
0.1398
0.0248
0.2467
0.0517
60s - Q5
If the area is 0.4977, what is the z-value?
1.97
2.83
1.63
2.01
60s - Q6
Find the area between z=-1 and z=3.
0.8450
0.8300
0.8400
0.8350
60s - Q7
Find the area between z= -1.5 and z=-1.3.
0.0300
0.0100
0.0400
0.0200
60s - Q8
If the area is 0.8351, what are the two values of z.
z=-0.13 and z=-1.3
z=1.6 and z=2.1
z=0.24 and z=0.31
z=-2.5 and z=1
60s - Q9
Find the area of the proportion in the probability notation P(1<z<3).
0.1574
0.1572
0.1575
0.1576
60s - Q10
Solve for the proportion of the area of the probability notation P(z>1).
0.1576
0.1585
0.1587
0.1586
60s - Q11
Find the area of the proportion in the probability notation P(z>-2.5).
0.9936
0.9938
0.9939
0.9937
60s - Q12
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.
-2.5
-2
2
2.5
60s - Q13
From the given in number 12 where mean=180 and standard deviation=15, what is the z-value if X = 200?
1.66
2.22
1.33
1.99
60s - Q14
What is the value of 70 th percentile?
0.52
0.13
0.23
0.71
60s - Q15
What is the value of 82 nd percentile?
0.83
0.92
0.53
0.23
60s