Probability using contingency table


What is the probability that he/she

A. Thinks the tax code is unfair?

B. Thinks the tax code is unfair and makes less than $50,000?

C. Thinks the tax code is unfair or makes less than $50,000

D. Describe the difference in the results in (b) and (c)

INCOME LEVEL

US TAX CODE

LESS THAN $50,000

More than $50,000

total

Fair

225

180

405

Unfair

280

320

600

Total

505

500

1005

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Basic Statistics: Probability using contingency table
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