The following table summarizes the marital status and level of education for 500

Question

The following table summarizes the marital status and level of education for 500 people attending a finanial workshop. One person is selected at random to receive a free software package. What is the probability that the selected person is divorced or has some college education (SC) or both? LEVEL OF EDUCATION Some College Graduate College Degree Degree MARITAL STATUS | (SO 1 (D) | (GD) | TOTAL Single (S) Married (M 50 90 60 90 Divorced (D 30 50 170200 40 70 20 130 500 150 100 TOTAL 0.34 0.06 0.48 0.54 0.52

Explanation / Answer

P(d)=100/500

=0.2

P(sc)=170/500

=0.34

P(d n sc)=30/500. = 0.06

So,

P(d u sc)= p(d)+p(sc)-p(d n sc)

=0.2+0.34-0.06

=0.48

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