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The following represents the probability distribution for the daily demand of microcomputers at a local store. Demand Probability 0 .1 1 .2 2 .3 3 .2 4 .2 The expected daily demand is _____. a. 4 b. 2 c. 2.2 d. 1.0

Sagot :

Ogorwyneidn

Answer:

2.2

Explanation:

to get the expected daily demand we have to multiply each daily demand by their probability  distribution and sum up the results

0 * 0.1 = 0

1 * 0.2 = 0.2

2 * 0.3 = 0.6

3 * 0.2 = 0.6

4 * 0.2 = 0.8

0 + 0.2 + 0.6 + 0.6 +0.8 = 2.2

From this calculation above, the expected daily demand has been summed up to 2.2

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