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.Management Sciences
Category: Normal Distribution
The equation of standard normal distribution is f(z)=________?
0
A. 1/σ√2∏e 1/2×2
B. 1/σ√2∏e -1/2×2
C. 1/√2∏
D. 1/σ√2∏
In Normal distribution, the parameter which controls the flatness of the curve is____________?
A. µ,σ
B. None
C. µ, MD
D. 2∏—√,e
P95 means _____?
A. The central 95% area
B. The point above above which95% area lies
C. The point above below which 95% area lies
D. Both (a) and (b) but not (c)
In a certain normal distribution having µ = 35 and variance = 16, then mode will be_______________?
A. 3.5
B. 16
C. 4
D. None of these
The lower and upper quartile of standard normal variation are respectively ?
A. µ+0.6745σ and µ-0.6745σ
B. -0.6745 and 0.6745
C. -0.7979 and 0.7979
D. -0.7979σ and 0.7979σ
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