In a study of human blood types in nonhuman primates, a sample of 79 chimpanzees was tested and 15 found to be of blood type B. This sample meets the criterion of a large sample (indicate the appropriate letter): (A) (B) (C) No Yes There is not enough information to tell A point estimate of the population proportion of chimpanzees with blood type B is (Rounded to 4 decimals) Assume that a point estimate of the population proportion of chimpanzees with blood type B is 0.21. The margin of error for a 95% confidence interval of the population proportion of chimpanzees with blood type B is (Rounded to 4 decimals)