If the variance of a Poisson distribution is 0.5. Then p(X = 3) is _________ (e^-0.5= 0.6066)

(a)

0.1206

(b)

0.0126

(c)

0.1260

(d)

12.60

For a binomial distribution with mean 2 and variance \(\frac{4}{3}\), p = _________

(a)

\(\frac{2}{3}\)

(b)

\(\frac{1}{3}\)

(c)

\(\frac{3}{4}\)

(d)

\(\frac { 2 }{ \sqrt { 3 } } \)

In a binomial distribution if n = 5, p(x = 3) = 2. p(x = 2), then p = _________

(a)

2q

(b)

2p

(c)

q

(d)

\(\frac{2q}{3}\)

For a standard normal distribution, the mean and variance are _________

(a)

μ,σ²

(b)

μ,σ

(c)

0,1

(d)

1,1

The normal distribution curve is _______

(a)

bimodal

(b)

Multimodal

(c)

unimodal

(d)

no mode