1. The tag and release method was used to estimate the population of workers in a provincial park. The findings were summarized as "the population is 217 wolves +- 5%, 19 times out of 20." What is the margin of error? A. 19 out of 20 B. +- 5% about 217 C. The same as the standard deviation D. 217 2. The z-scores for a normal distribution A. Follow a uniform distribution B. Follow a normal distribution C. Have a mean of 1 and a standard deviation of 0 D. B and C 3. An example of continuous distribution is A. The number of pepperoni slices on each pizza sold by a pizzeria B. The weights of firefighters at a fire station C. The number of speeders caught in a radar trap each day D. The number of coins in the pocket of each student in a class