4 16. The mean and variance of a binomial distribution area and respectively. If P(X =...

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4 16. The mean and variance of a binomial distribution area and respectively. If P(X = 1) = then P(X = 4 or 5) is equal to: 243 (a) 1/159 64 (b) $ 16 (c) 81 925 145 (d) 27 243 17. Let E1, E2, E3 be three mutually exclusive events such that P(E) = 2+3p, P(E) = 2-p and P(Es) 6 8 1-p = If the maximum and minimum values of p are p and pz, then (pi + pz) is equal to: 23 2 (b) 5 sm 3 (c) 54 (d) 1 18. Let S = {[0,2]: 82 +8=16}. Then n(S)+( sec(+20) cosec (1/2+20)) 1 is equal to: (a) 0 19. tan 2tan+sec+2tan (a) 1 (b)-2 (c)-4 is equal to: (b) 2 20. The statement ((pa))^qi (a) a tautology (c) equivalent to (p=q)^q (d) 12 (d) (b) a contradiction (d) equivalent to (pq)^p 4 16. The mean and variance of a binomial distribution area and respectively. If P(X = 1) = then P(X = 4 or 5) is equal to: 243 (a) 1/159 64 (b) $ 16 (c) 81 925 145 (d) 27 243 17. Let E1, E2, E3 be three mutually exclusive events such that P(E) = 2+3p, P(E) = 2-p and P(Es) 6 8 1-p = If the maximum and minimum values of p are p and pz, then (pi + pz) is equal to: 23 2 (b) 5 sm 3 (c) 54 (d) 1 18. Let S = {[0,2]: 82 +8=16}. Then n(S)+( sec(+20) cosec (1/2+20)) 1 is equal to: (a) 0 19. tan 2tan+sec+2tan (a) 1 (b)-2 (c)-4 is equal to: (b) 2 20. The statement ((pa))^qi (a) a tautology (c) equivalent to (p=q)^q (d) 12 (d) (b) a contradiction (d) equivalent to (pq)^p