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WorksheetsFinding The Area Under The Standard Normal Distribution Curve
Total questions: 15
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
Where can we locate the mean in the normal curve?
a)
to the left portion
b)
to the right portion
c)
at the center
d)
on the z - axis
2.
Find the area under the standard normal curve to the right of z = -2.67.
a)
0.0869
b)
0.9962
c)
0.0008
d)
0.1234
3.
Find the area under the normal distribution curve to the left of
Z=0.27.
Z=0.27.
a)
0.3936
b)
0.3897
c)
0.6064
d)
0.4892
4.
Find the area under the normal distribution curve that represents the area to the left of Z =-2.37.
a)
0.0089
b)
0.9910
c)
0.1401
d)
0.1381
5.
Find the area under the normal distribution curve between
z=-1.53 and z=0.
z=-1.53 and z=0.
a)
0.437
b)
0.563
c)
0.500
d)
0.063
6.
Find the area under the normal distribution curve between a z=-1.26 and z=.57.
a)
0.0047
b)
0.9204
c)
0.6119
d)
0.4981
7.
If Gonzalo's score is 87, the class average is 82, and the SD is 4, what is Gonzalo's Z-score?
a)
-1.25
b)
+1.25
c)
+1.20
d)
+1.02
8.
The normal curve is symmetrical about the mean.
a)
True
b)
False
9.
Find the area of the shaded region if the z-score is 1.25
a)
0.1056
b)
0.8944
c)
0.8849
d)
0.1151
10.
Find the area of the shaded region if the z-score is 0.75
a)
0.2266
b)
0.7734
c)
0.758
d)
0.242
11.
What shape is a normal distribution curve?
a)
Half curve
b)
Round curve
c)
Bell curve
d)
Square curve
12.
Rat weights are normally distributed with μ = 6 lbs. and σ = 0.45 lbs.
Find the percentage of rats that are less than 6 lbs.
(a)
13.
Rat weights are normally distributed with μ = 6 lbs. and σ = 0.45 lbs.
Find the percentage of rats that are between 4.9 and 6.2 lbs
(a)
14.
Rat weights are normally distributed with μ = 6 lbs. and σ = 0.45 lbs.
Find the percentage of rats that are greater than 6.9 lbs.
(a)
15.
Rat weights are normally distributed with μ = 6 lbs. and σ = 0.45 lbs.
Find the percentage of rats that are less than 5 lbs.
(a)
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