Discuss the below:
Q1: Which Probability formula should be used?Explain.
A researcher wants to prove the efficacy of three drugs to treat headaches. Results are given in the following table. If one of these subjects is randomly selected:
Q2: Find the probability that the subject had a headache given that the subject was treated with Aleve answers : A) 0.56 B) 0.47 C) 0.74 D) 0.64 Is this P( A |B) probability that event A occurs given that event B has occurred already
or P( B |A) probability that event B occurs given that event A has occurred already Please explain in detail
Q3: Find the probability that the subject had no headache or was treated with Tylenol: answers A) 0.18 B) 0.52 C) 0.81 D) 0.33 Is this P(A U B) = P(A) + P(B) - P(A n B) Please explain
Q4: Find the probability of getting someone who was NOT treated with Aleve answers A) 0.80 B) 0.58 C) 0.54 D) 0.94