Irena Davies manages a portfolio of 200 ordinary shares. Her staff classified the portfolio of shares by 'industry sector' and 'investment objective'. Investmentindustry Sector Objective ElectronicsAirlines Growth Income Total 100 20 120 Healthcare Total 10 20 30 40 150 10 50 50 200 Are 'Healthcare' and 'Income' independent, why or why not? Select one: No, because P(Healthcare | Income) + P(Healthcare) No, because PHealthcare) + P(Income) Yes, because P(Healthcare n Income) = P(Healthcare) P(Income) Yes, because P(Healthcare N Income) # 0

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Irena Davies manages a portfolio of 200 ordinary shares. Her staff classified the portfolio of shares by
'industry sector' and 'investment objective'.
Investmentindustry Sector
Objective
ElectronicsAirlines
Growth
Income
Total
Are 'Healthcare' and 'Income' independent, why or why not?
Select one:
No, because P(Healthcare | Income) + P(Healthcare)
No, because P(Healthcare) + P(Income)
Yes, because P(Healthcare N Income) = P(Healthcare) P(Income)
Yes, because P(Healthcare N Income) # 0
100
20
120
Healthcare Total
10
20
30
40 150
10 50
50 200
Transcribed Image Text:Irena Davies manages a portfolio of 200 ordinary shares. Her staff classified the portfolio of shares by 'industry sector' and 'investment objective'. Investmentindustry Sector Objective ElectronicsAirlines Growth Income Total Are 'Healthcare' and 'Income' independent, why or why not? Select one: No, because P(Healthcare | Income) + P(Healthcare) No, because P(Healthcare) + P(Income) Yes, because P(Healthcare N Income) = P(Healthcare) P(Income) Yes, because P(Healthcare N Income) # 0 100 20 120 Healthcare Total 10 20 30 40 150 10 50 50 200
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