a. Five different types of ice-creams and six different types offruits are available to make a Blizzard.
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Question:
a. Five different types of ice-creams and six different types offruits are available to make a Blizzard. The Blizzard will contain3 types of ice-creams and 2 types of fruit. How many differentBlizzards can be made if green tea flavor (i.e one type ofice-cream) or mango (i.e on type of fruit) or both green tea flavorand mango must be served for the Blizzard?*
A
80
B
None of the above
C
110
D
100
b.
Assume that Y1, Y2, and Y3 are random variables, with E(Y1) = 2,E(Y2) = -1, E(Y3) =4, V(Y1) = 4, V(Y2) = 6, V(Y3) = 8, Cov(Y1Y2) =1, Cov(Y1Y3) = -1, Cov(Y2,Y3) = 0. Find V(3Yi + 4Y2 - 6Y3 +2).*
A
None of the above
B
520
C
510
D
410
E
480
Related Book For
Introduction to Operations Research
ISBN: 978-1259162985
10th edition
Authors: Frederick S. Hillier, Gerald J. Lieberman
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