A) What is the probability that a voter in this sample, is against mandatory vaccinations and lives in Perth?

 

B) What is the probability that a voter in this sample, is against mandatory vaccinations, or lives in Perth?

 

C) Are the events "against mandatory vaccinations" and "lives in Perth" mutually exclusive? Briefly explain using probability.

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A random sample of voters was taken, and individuals asked their opinion on mandatory vaccination as either for, against or undecided and the city they live in. Here are the results. Observed Frequencies Adelaide Brisbane Canberra Darwin Hobart Melbourne Perth Sydney Total For Against Undecided 10 25 5 23 25 8 24 24 6 15 23 5 If 12 24 13 30 45 12 23 35 5 25 6 226 60 45 182 00 Total 40 56 54 43 49 87 63 76 468 A random sample of voters was taken, and individuals asked their opinion on mandatory vaccination as either for, against or undecided and the city they live in. Here are the results. Observed Frequencies Adelaide Brisbane Canberra Darwin Hobart Melbourne Perth Sydney Total For Against Undecided 10 25 5 23 25 8 24 24 6 15 23 5 If 12 24 13 30 45 12 23 35 5 25 6 226 60 45 182 00 Total 40 56 54 43 49 87 63 76 468

Answer rating: 100% (QA)

To answer these questions we need to calculate probabilities based on the observed frequencies provided Lets go step by step A The probability that a voter in this sample is against mandatory vaccinat... View the full answer