1) 16 2) 32 3) 33 4) None of these Solution: Option (3) 33 When P(X = r) is maximum, then r is the mode. There are two cases involved in... View Article
1) 2 2) 3 3) 5 4) 4 Solution: Option (2) 3 The probability of getting head = ½ = p The probability of getting tail = ½ = q Let X be the... View Article
1) 10 2) 25 3) 18 4) 11 Solution: Option (2) 25 Total Number of sample space = 6 Probability of getting a even number = 3/6 = ½ Hene, p =... View Article
1) 9/41 2) 25/128 3) 1/5 4) 27/128 Solution: Option (4) 27/128 Assume that “p” be the probability that a certain kind of component will... View Article
1) Binomial 2) Poisson 3) Normal 4) Exponential Solution: Option (2) Poisson Here, n= 100, in which the number of trials is very large and... View Article
1) 1/13 2) 3/13 3) 2/13 4) None of these Solution: Option (3) 2/13 No. of aces in a deck = 4, No. of non-aces = 48 Total number cards =... View Article
1) 1/10 2) 1/4 3) 1/55 4) 7/12 5) ¾ Solution: Option (3) 1/55 Given that Random variable X takes the value x1, x2, x3,...,x10 Therefore X=... View Article
1) 16/15 2) 15/16 3) 31/16 4) None of these Solution: Option (4) None of these Given function is, f(x) = k/2x X can take the values 0, 1,... View Article
1) (¾, 11/12] 2) [0, 1/2] 3) (11/12, 11] 4) (½. ¾] Solution: Option (2) [0, 1/2] Let p be the probability of success The probability of at... View Article