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Posted Date: 07 Aug 2011 Posted By:: Raj kumar Member Level: Silver Points: 5 (Rs. 1)
2011 Andhra University M.B.A Quantitative techniques for managerial decisions Question paper
SCHOOL OF DISTANCE EDUCATION
I YEAR ASSIGNMENT QUESTION PAPERS 2010-2011
102 : QUANTITATIVE TECHNIQUES FOR MANAGERIAL DECISIONS
Assignment No. 1 4 x 5 = 20 Marks
Answer all Questions :
1. Solve the following simultaneous linear equations:
(i) Using matrix inverse (ii) Cramer's Method
5x – 6y + 4z = 15
7x + 4y – 3z = 19
2x + y + 6z = 46
2. (a) Obtain all the derivatives of the following function :
y = 5x4 – 2x3 + 40
(b) Evaluate (i) e2xa5xdx
3. Five coins are tossed 3,400 times and the number of heads appearing each time is noted at the
end. The following results were obtained.
No. of Heads : 0 1 2 3 4 5
Frequency : 180 500 1170 900 500 150
Obtain Expected Frequencies using (1) Binominal Distribution
(2) Poisson Distribution.
4. The following Table gives the data on the performance of three different detergents and three
different water temperatures. The performance was obtained on the "Whiteness" readings based
on specially designed equipment for nine loads of washing.
A B C
Cold water 55 53 65
Warm water 47 50 66
Hot water 52 54 56
Perform Two – way Analysis of Variance, using the 5% level of significance.
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