S1.16. (LO S1.1) The Midtown Market purchases apples from a local grower. The apples are purchased on Monday at $1.00 per kg, and the market sells them for $1.50 per kg. Any apples left over at the end of the week are sold to a local zoo for $0.25 per kg. The possible demands for apples and the probability for each are as follows.
Demand (kg) | Probability |
10 | 0.10 |
10.5 | 0.20 |
11 | 0.30 |
11.5 | 0.30 |
22 | 0.10 |
a) Expected order value =
= 10*0.1 + 10.5*0.2 + 11*0.3 + 11.5 *0.3 + 22*0.1
= 1 + 2.1 + 3.3 + 3.45 + 2.2
= 12.05
= 12 apples
Payoff = 12 * $0.5
= $6 Answer
b) Maximax means maximise the maximum profit:
So according to it to maximize it, we should buy 22 apples, as that's the largest demand that's possible, which will give a maximum of profit of $11.i.e. (22*$0.5)
The maximin decision rule suggests that a decision maker should select the alternative that offers the least unattractive worst outcome.
So here payoff = Minimum demand * profit per apple
= 10 * 0.5
= $5
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