1. Review the 3 significant digit rounding rule for probabilities
2. Flip a fair coin three times
   1. Write the sample space
   2. What is the probability of seeing exactly two heads?
   3. What is the probability of seeing less than 2 tails?
3. In a recent survey of 619 Salinas residents, 437 stated they experienced significant traffic delays within the last month.
   1. If one of the 619 residents is selected at random, what is the probability they have experienced delays?
   2. If one of the 619 residents is selected at random, what is the probability they did not experience delays?