The mean birth weight of a sample of 195 boys is 32.7 hg with standard deviation 6.6 hg. Give the lower and upper endpoints of a 95% confidence interval for the mean birth weight of all boys. Round your answer to one decimal place.

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer