statistics

Single-coated dog breeds only have primary hairs and thus usually shed less because the undercoat is more prone to falling out with the change of season. Researchers at the National Institute of Health are investigating the length of hair in single-coated dog breeds before it falls out. Among 1500 single-coated dogs in Maryland, 25% are found to have long hairs. 1. What is the 99% two-sided condence interval for the proportion p of long- hairs in Maryland? (2 Points) 2. What is the 99% upper bound condence interval for the proportion p? (2 Points)