Question

The table below shows the political affiliations and types of jobs for workers in a particular state.

Suppose a worker is selected at random within the state and the worker's political affiliation and type of job are noted.

.

		Political Affiliation
		.. Republican ..	.. Democrat ..	.. Independent ..	..  Total ..
Type of Job...	..White Collar..	9%	19%	8%	36%
	Blue Collar	17%	18%	29%	64%
	Total	26%	37%	37%	100%

.

Find

P(blue collar OR Democrat)

Use 2 decimal places in your answer.

Answer 1

Hello Sir/ Mam

YOUR REQUIRED ANSWER IS 83% = 0.83

Using the given data:

$P(Blue \ Collar\cup Democrat)=P(Blue \ Collar)+P(Democrat)-P(Blue \ Collar\cap Democrat)$

$P(Blue \ Collar\cup Democrat)=64\%+37\%-18\%=83\%$

I hope this solves your doubt.

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