4. The Sales manager of a company projected the following sales for the next year with the following probabilities: Sales ( $ Millions) $ 20 Scenario Probability 1 0.10 0.30 18 3 0.30 15 4 0.30 14 Required: a) Find the Variance; b) Find the standard deviation.

4. The Sales manager of a company projected the following sales for the next year with the following probabilities: Sales ( $ Millions) $ 20 Scenario Probability 1 0.10 0.30 18 3 0.30 15 4 0.30 14 Required: a) Find the Variance; b) Find the standard deviation.

Essentials of Business Analytics (MindTap Course List)

2nd Edition

ISBN:9781305627734

Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Chapter8: Time Series Analysis And_forecasting

Section: Chapter Questions

Problem 11P: For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12...

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4. The Sales manager of a company projected the following sales for
the next year with the following probabilities:
Sales ( $ Millions)
$ 20
Scenario
Probability
1
0.10
2
0.30
18
3
0.30
15
4
0.30
14
Required:
a) Find the Variance;
b) Find the standard deviation.

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