Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

Exercise 46

Interpretation You are considering two facial cosmetic surgeries. These are elective surgeries and their outcomes are independent. The probability of success for each surgery is 0.90. What is the probability of success for both surgeries If the probability of success for both surgeries is less than 0.85, you will decide not to have the surgeries. Will you have the surgeries or not