Chapter 8, Problem 94P

Use the following information to answer the next 16 exercises. The Ice Chalet offers dozens of different beginning ice- skating classes. All of the class names are put Into a bucket. The 5 P.M., Monday night, ages 8 to 12, beginning ice-skating class was picked. In the class were 6.1 girls and 16 boys. Suppose that we are Interested in the true proportion of gixls, ages 8 to 12. In all beginning ice-skating classes at the Ice Chalet. Assume that the children in the selected class are a random sample of the population.

If you decreased the allowable error bound, why would the minimum sample size increase (keeping the same level of confidence)?