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.Management Sciences
Category: Normal Distribution
Area Under the normal curve on either side of mean is _____________?
A. 1
B. Mean value
C. 0.5
D. 2
E. -1
100% of values lies in the limits are equal to ______________?
A. 40 and 60
B. 20 and 70
C. 20 and 30
D. 20 and 80
The value maximum ordinate of a standard normal curve at Z = 0 is:________?
A. 1
B. 0.5
C. 0.3989
D. None of these
In a normal distribution E(X-µ)2 is________________?
A. Variance
B. Mean Deviation
C. Standard Deviation
D. Quartile Deviation
If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________?
A. 0
B. -0.32
C. 1.2
D. 0.2684
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