1 pt sample. Complete parts (a) through (e) Male 228 Female 20 Total 437 743 Pib

Question

1 pt sample. Complete parts (a) through (e) Male 228 Female 20 Total 437 743 Pibeing frequenly Round to the nearest thousandth as needed) (b) Find the probability that the person is female or not Pbeing female or not being involved) Round to Phe nearest thousandith as needed) Ptbeing male or being trequently involved) Round to the nearest thousandth as needed.) d) Find the probability that the person is femaie or not frequently involved in charly work P/being female or not being frequenity inolved (Round to the nearest thounandth as needed ) Click to select your answers 3 Review Quiz

Explanation / Answer

a) P(being frequently involved or being occasionally involved) = P(frequently) + P(occasionally) - P(frequently and occasionally) = 437/2872 + 896/2872 - 0 = 1333/2872 = 0.464

b) P(female or not being involved) = P(female) + P(not being involved) - P(female and not being involved) = 1392/2872 + 1539/2872 - 743/2872 = 2188/2872 = 0.762

c) P(male or frequently involved) = P(male) + P(frequently involved) - P(male and frequently involved) = 1480/2872 + 437/2872 - 228/2872 = 1689/2872 = 0.588

d) P(female or not being frequently involved) = P(female) + P(not being frequently involved) - P(female or not being frequently involved) = 1392/2872 + 2435/2872 - 1183/2872 = 2644/2872 = 0.921

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