WorksheetsNormal Distribution
Total questions: 11
Worksheet time: 3mins
The curve is _________________ about its center.
Symetrical
Symmetrical
Asymetrical
Symetry
The width of the curve is determined by the _____________________.
Mean
Variation
Standard Deviation
Standard Normal Curve
A standard normal curve is a normal probability distribution that has a standard deviation of ____ and a mean of ____.
1, 0
0, 1
0, 0
1, 1
What is the formula to find the corresponding z-score for population data?
z = X - μ / σ
z = (X - μ) / σ
z = μ - X / σ
z = (μ - X) / σ
Which of the following is NOT TRUE?
The mean, median, and the mode are equal.
The curve is asymptotic to the base line.
The total area under the curve is less than 1.
The curve is symmetrical about its center.
Find the corresponding z-score when X = 40, μ = 30 and σ = 5.
1
-2
2
-1
Find the corresponding z-score of a PE score of 39 given that μ = 45 and σ = 6.
1
-2
2
-1
Find the raw score given z = -1.5, μ = 26, and σ = 4.
20
32
28
30
Find the raw score given z = 2, μ = 50, and σ = 4.
46
50
54
58
What is the area under the normal curve between z = -2 and z = 2?
0.9544
0.9554
0.6826
0.6286
What is the probability that your teacher will have a date on February 14?
0%
50%
75%
99.99%
