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?

[Raman Vij]

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