8 QUESTION 1 1 points Bob has worked out that the following events are NOT independent in his sample group A - the person is over 50 B - the person prefers overseas holidays to local WA holidays which of the following assignments of probabilities could have lead him to correctly deduce that A and B are NOT independent. a. P(A) = 0.2, P(B) = 0.7, P(AuB) = 0.76 Ob. P(A|B) = 0.5, P(AnB) = 0.4, P(A)=0.3 X Oc. P(A) =0.6, P(B) = 0.5, P(AnB) = 0.3 Od.P(B) = 0.1, P(B|A)=0.1 E QUESTION 2 1 points Sa Bob asks a man and a woman what sort of eggs they buy, and they each answer either caged or free range. Which of the following represents the sample space of the two people's responses. Oa. {caged, free range} Ob. {caged-caged, caged-free range, free range-caged, free range-free range} Oc. 10.1.2) Priva Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save a TernQUESTION 2 1 points 18 Save Answer Bob asks a man and a woman what sort of eggs they buy, and they each answer either caged or free range. Which of the following represents the sample space of the two people's responses. Oa. {caged, free range} Ob. {caged-caged, caged-free range, free range-caged, free range-free range} Oc. {0, 1,2} Od. {caged-caged, caged-free range, free range-free range} QUESTION 3 1 points Save Answer Bob collects some data such that X 50 Z X; =-134.57 What is the mean of this data (correct to 2 dp)? QUESTION 4 2 points Save Answer Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Tern8 QUESTION 4 2 points Save Answer Bob would like to get some information about people's attitudes towards mandatory COVID vaccinations. He thinks about advertising in his local newspaper to ask for volunteers to answer some questions, but realises this could suffer from self-selection bias. In your own words explain why self selection bias is a problem when conducting surveys. (Note I am not asking you to explain why this example is self-selection bias, I am asking you to explain why it is a problem). For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt = v v A ... TX E E X2 X2 + ABC V X EXE X TT O ? K S + E Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Terr 20 city