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A Random Variable X Takes Values 0 1 2 3 With Probability Px X Kx 1 15x Where K Is A Constant Then Px 0 Is Equal To

A random variable X takes values 0, 1, 2, 3,… with probability P(X = x) = k(x + 1) (1/5)x,... View Article

1) 28 2) 16 3) 45 4) 25 Solution: Option (3) 45 Given that, mean = np = 15 Variance... View Article

1) 16 2) 32 3) 33 4) None of these Solution: Option (3) 33 When P(X = r) is maximum,... View Article

1) 2 2) 3 3) 5 4) 4 Solution: Option (2) 3 The probability of getting head = ½ =... View Article

1) 10 2) 25 3) 18 4) 11 Solution: Option (2) 25 Total Number of sample space = 6 Probability... View Article

1) 1/729 2) 8/9 3) 8/729 4) 8/243 Solution: Option (4) 8/243 When two dice are thrown, the total number... View Article

1) 1/2e2 2) 1/3e2 3) 2/3e2 4) 1/e2 Solution: Option (3) 2/3e2 Poisson Distribution = P(x, μ) = (e-μ μx)/x!... View Article

1) 5C4 (1/3)4(⅔) 2) 5C4 (⅓)(12/3)4 3) 5C4(⅙)4 4) 5C4 (⅙)4(⅚) 5) 5C4 (⅚)4(⅙) Solution: Option (1) 5C4 (1/3)4(⅔) Here,... View Article

1) 7 2) 8 3) 9 4) 10 Solution: Option (4) 10 Mean = np= 10 Variance, npq = 5... View Article

1) 0 < α < β 2) 0 < β < α 3) α < 0 < β 4) β... 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... View Article

1) Binomial 2) Poisson 3) Normal 4) Exponential Solution: Option (2) Poisson Here, n= 100, in which the number of... 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... View Article

1) 1/3 2) 1/2 3) 2/3 4) ¾ Solution: Option (1) ⅓ From the given problem, P(X = 2) =... View Article

If m and σ2 are the mean and variance of variable X, whose distribution is given by: X 0 1... 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... View Article

A random variable X has the probability distribution. X 1 2 3 4 5 6 7 8 P(X) 0.15 0.23... View Article

1) 35/47 2) 55/1024 3) 220/512 4) 11/204 Solution: Option (2) 55/1024 For the given conditions: X=0 and Y= 3,... View Article

1) 1/(log10 4 – log10 3) 2) 1/(log10 4 + log10 3) 3) 9/(log10 4 – log10 3) 4) 4/(log10... 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)... View Article