3.112 The accompanying table shows, for 1,000 forecasts of earnings per share made by financial analysts, the

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3.112 The accompanying table shows, for 1,000 forecasts of earnings per share made by financial analysts, the numbers of forecasts and outcomes in particular categories

(compared with the previous year).

Forecast Outcome Improvement About the Same Worse Improvement 210 82 66 About the same 106 153 75 Worse 75 84 149

a. Find the probability that if the forecast is for a worse performance in earnings, this outcome will result.

b. If the forecast is for an improvement in earnings, find the probability that this outcome fails to result.

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Essential Mathematics And Statistics For Science

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2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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3.112 The accompanying table shows, for 1,000 forecasts of earnings per share made by financial analysts, the

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