A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?Two cards are drawn together from a pack of 52 cards. The probability that o
A). 3/20
B). 29/34
C). 47/100
D). 13/102
In which distribution successive trials are without replacement
A). Poisson distribution
B). Binomial distribution
C). Geometric distribution
D). Hypergeometric distribution
In a binomial probability distribution it is impossible to find
A). P(X = 0)
B). P(X < 0)
C). P(X > 0)
D). P(0 ¤ X ¤ n)
A random variable X has binomial distribution with n = 10 and p = 0.3 then variance of X is
A). 1
B). 1.1
C). 2.1
D). 3.1
Hypergeometric distribution has parameters
A). 1
B). 2
C). 3
D). 4