Complete the 2 "Do's" 1/3 & 2/3

v DO: Werite on a sheet of paper and upload or type your answers into the assignment. (1/3) A) What is the probability that you choose a person and they DO NOT have a headache? B) What is the probability that you choose a person and they received the drug? C) What is the probability that you choose a person and they received the placebo? OOREAD Now, recall from probability (Chapter 5) that if two stages of an experiment are independent and you want to find the probability of the two stages happening one after the other, you MULTIPLY the probabilities. EX: What is the probability of choosing a person who DOES NOT have a headache and received the drug? Drug Placebo Headaches 11 7 No headaches 73 91 P(no headache and drug) = P(no headache)*P(drug) = 164/182 * 84/182 = (164*84)/(182)* ~ 0.4158 Note that the answer (164*84)/(182)* = (row total for no headache)*(column total for drug)/sample? NS D) What is the probability that you choose a person and they DO NOT have a headache and received the placebo? DO: Write on a sheet of paper and upload or type your answers into the assignment. (2/3) E) What is the probability that you choose a person and they have a headache and received the drug? F) What is the probability that you choose a person and they have a headache and received the placebo