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

Exercise 49

Critical Thinking Consider the experiment of tossing a fair coin 3 times. For each coin, the possible outcomes are heads or tails.
(a) List the equally likely events of the sample space for the three tosses.
(b) What is the probability that all three coins come up heads Notice that the complement of the event "3 heads" is "at least one tail." Use this information to compute the probability that there will be at least one tail.