P(µ – σ≤x≤µ + σ)=_________?
P(µ – σ≤x≤µ + σ)=_________? A. .6826 B. .6743 C. .6745 D. .2345
P(µ – σ≤x≤µ + σ)=_________? A. .6826 B. .6743 C. .6745 D. .2345
For a normal distribution having µ = 241 and σ = 2 P (X≥235) is:_______? A. 0.9986 B. 0.5 C. 0.475 D. 0.235
Normal distribution has ____shaped? A. u-shapedB. Bell shaped C. T-shaped D. Normal shaped
The equation of standard normal distribution is f(z)=________? A. 1/σ√2∏e 1/2×2B. 1/σ√2∏e -1/2×2 C. 1/√2∏ D. 1/σ√2∏
In normal distribution u2 = S2 and u4 =___________? A. 3S2 B. 3SC. 3S4 D. 4S2/x
The quartile deviation is ____ (S.D.) is normal dist? A. .6734 B. .7879C. .6745 D. .4567
Normal distribution has ______ parameter? A. ThreeB. Two C. Four D. One
Normal distribution is a probability distribution of _____ random variable? A. Continuous B. Constant C. Discrete D. Normal