STA301 Quiz No3 Fall 2023 by VU Help Forum
1.In a hypergeometric distribution, the probability of success:
Does not remain Constant from trail to trail
2.In a normal distribution how much area lies between μ±3σ
99.73%
3.In a standard normal distribution area to the left of z = 0 is:
50%
4.Parameters of hyper geometric distribution are:
3
5.The values of moment ratios b1 and b2 of normal distribution are:
0 and 3
6.Which of the following is NOT applicable to a Poisson distribution?
P=0.5 and n=19
7.If X and Y are independent random variables, then Cov (X, Y) =
0
8.Uniform distribution is a
Continous Distribution
9.In a normal distribution how much area lies between μ±σ
68.26%
10.The normal distribution has point of inflection which are equidistance from the:
Mean
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