Od. 8 QUESTION 10 1 points Save Answer Bob has 2 events A and B that are disjoint, which of the following must be true? (Assume both P(A) and P(B) > 0) O a. P(AnB) = P(A)P(B) Ob. P(A|B) = 0 Oc. P(A|B) = 1 - P(A|B') O d. A and B are independent X QUESTION 11 1 points Save Answer Bob collects data on the hair colour of his neighbours (eg "brown", "black", "grey", "bald" etc) What sort of data has he collected? O a. discrete b. nominal c. continuous Od. ordinal Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Tern 20 MacBook ProRemaining Time: 38 minutes, 30 seconds. X * Question Completion Status: QUESTION 12 1 points Save Answer Bob collects some data that satisfies 2X, = 70.5 Week 1 S Manage... He then uses a linear transformation y, = 2x, + 7.2 20 ternal evaluate (1).pdf Week Environ OCX X Analysis ork.do QUESTION 13 2 points Save Answer From his data collection, Bob gets that 20% of people have blue eyes. He thinks he can use this as a reliable estimate of the perecentage of people who have blue eyes in Australia. Explain why Bob is wrong and what type of bias this would represent. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). e Hello BIUS Paragraph Arial 10pt EV A V ... ocx E E X2 X2 IT The - + ABC Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Ter oQuestion Completion Status: QUESTION 13 2 points Save Answer From his data collection, Bob gets that 20% of people have blue eyes. He thinks he can use this as a reliable estimate of the perecentage 8 of people who have blue eyes in Australia. Explain why Bob is wrong and what type of bias this would represent. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt v A . . 2 v IX E E X2 X2 STT The - + ABC BB V X EX: O ?) + X Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Tern 20 V D 6Question Completion Status: Ud.Sy = 35 - 10.44 8 QUESTION 9 1 points Save Answer Bob collects data X1, X2.....Xn and transforms it to obtain a new data set )1, )2...., In via the following transformation: yI = XI - X Which of the following must be true? [ ( x, - X )?