Question

Tanya must decide how many cream puffs to prepare this coming Saturday night for her cafe's...

Tanya must decide how many cream puffs to prepare this coming Saturday night for her cafe's diners. She has the option to make 50, 100, or 150 cream puffs. Assume that the demand for the cream puffs is 50, 100, or 150. Each pastry costs $5 to make and sells for $7. Unsold puffs are donated to the food bank and there is no opportunity cost for lost sales. Tanya got the following probability information for the pies: P(50) = 0.3, P(100) = 0.5, P(150) = 0.2.

Tanya discovered the Hurwicz approach and decided to apply this using α= 0.8. Her decision should be to prepare how many cream puffs?

Homework Answers

Answer #1
Cost 5
Sells for 7
Profit 2
Unsold 0

The table for different make and demand combinations is as given:

Make/Demand 50 100 150
50 100 100 100
100 -150 200 200
150 -400 -50 300

For example if Tanya makes 50 and demand is 100, her total profit = 50X(7-5) = 100

If Tanya makes 100 and demand is 50, total profit = 50X(7-5) - 50(5) = 100 - 250 = -150 and so on

Now for Hurwicz criterion, we calculate maximum Hmax and minimum Hmin for each make option

Then using alpha = 0.8, for each option we calculate H = HmaxXalpha + HminX(1-alpha)

Make/Demand 50 100 150 Hmax Hmin H
50 100 100 100 100 100 100
100 -150 200 200 200 -150 130
150 -400 -50 300 300 -400 160

hence we get maximum value of H 160 for the qty 150

i.e. Tanya should make 150 cream puffs

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