#1
22nd November 2014, 10:44 AM
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T.Y.B.Com question paper
Hi I want the question paper of T.Y.B.Com of University of Pune so can you provide me?
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#2
22nd November 2014, 01:15 PM
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Re: T.Y.B.Com question paper
Hi, as you want the question paper of T.Y.B.Com of University of Pune so here I am providing you University of Pune T.Y.B.Com question paper 1. A) Attempt any four of the following : (2 each) a) Define Bernoulli distribution. Also state its mean and variance. b) Let X be a Poisson variable with P[X = 0] = 0.15. Find mean and variance of X. c) If P(A) = 0.3, P(B) = 0.4 and P(A/B) = 0.32, find . ) B A ( P ∪ d) Find ‘n’ if nP2 = 132. e) Define Lead time and Buffer stock of inventory. f) State whether each of the following is true or false : i) 0 ) ( P = φ is one of the axioms of probability theory. ii) The critical region in 2 χ -test of goodness of fit is always one sided. B) Attempt any two of the following : (6 each) a) Define independence of two events and mutually exclusive events. Can two events be independent and mutually exclusive simultaneously. Justify your answer with a suitable illustration. b) Let X and Y be two independent Binomial variables with parameters (6, 0.4) and (8, 0.4) respectively. Find : i) P(X + Y = 2) ii) P(X + Y > 8) iii) Mean of (X + Y) and variance of (X + Y). c) A company buys in lots of 500 boxes which is a 3 month supply. The cost per box is Rs. 125 and the ordering cost is Rs. 150. The inventory cost is estimated at 20% of unit value. i) What is the total annual cost of the existing inventory policy ? ii) How much money could be saved by employing the economic order quantity ? 2. Attempt any two of the following : (8 each) a) Number of road accidents on a highway during a month follows a Poisson distribution with mean 5. Find the probability that in a certain month, number of accidents on the highway will be i) less than 3, ii) between 3 and 5, iii) more than 3, iv) zero. Half question paper is in pdf file University of Pune T.Y.B.Com question paper |