An investor in Microsoft is worried the latest management earnings forecast is too aggressive and the company will fall short. His favorite analyst that covers the company is going to release his report the week before the earnings announcement. The report stands for the analyst’s report and Forecast stands for the earnings announcement.    Prior Probabilities Conditional Probabilities P(Good Report) = 0.2 P(Below Forecast | Good Report) = 0.1 P(Medium Report) = 0.5 P(Below Forecast | Medium Report) = 0.4 P(Bad Report) = 0.3 P(Below Forecast | Bad Report) = 0.9 What is the probability the earnings announcement is below the forecast? Briefly Discuss your result

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An investor in Microsoft is worried the latest management earnings forecast is too aggressive and the company will fall short. His favorite analyst that covers the company is going to release his report the week before the earnings announcement. The report stands for the analyst’s report and Forecast stands for the earnings announcement. 

 

Prior Probabilities

Conditional Probabilities

P(Good Report) = 0.2

P(Below Forecast | Good Report) = 0.1

P(Medium Report) = 0.5

P(Below Forecast | Medium Report) = 0.4

P(Bad Report) = 0.3

P(Below Forecast | Bad Report) = 0.9

What is the probability the earnings announcement is below the forecast? Briefly Discuss your result.

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