MEDIUM
MHT-CET
IMPORTANT
Earn 100

The probability that a person wins a prize on a lottery ticket is 14. If he purchases 5 lottery tickets at random, then the probability that he wins at least one prize is

75% studentsanswered this correctly

Important Questions on Binomial Distribution

EASY
MHT-CET
IMPORTANT
In a binomial distribution, mean is 18 and variance is 12 then probability of success p=....
EASY
MHT-CET
IMPORTANT
A die is thrown four times. The probability of getting perfect square in at least one throw is
EASY
MHT-CET
IMPORTANT
A random variable XB(n, p). If values of mean and variance of X are 18 and 12 respectively then total number of possible values of X are
MEDIUM
MHT-CET
IMPORTANT

For the following distribution function F(x) of a random variable X

x 1 2 3 4 5 6
F(x) 0.2 0.37 0.48 0.62 0.85 1

P 3<X 5=

MEDIUM
MHT-CET
IMPORTANT
The p. d. f. of a random variable x is given by fx=14a,a>00<x<4a,0,Otherwise and Px<3a2=kPx>5a2 then k=.