There are four boys in paul's family. by the age of nineteen, all of them are over six feet tall. the data table below shows their height at different ages: age 8 age 12 age 16 age 20 age 24 paul 4 ft 8 in 5 ft 0 in 5 ft 11 in 6 ft 1 in 6 ft 1 in bruce 4 ft 6 in 4 ft 11 in 5 ft 10 in 6 ft 1 in 6 ft 1 in tom 4 ft 9 in 5 ft 0 in 6 ft 0 in 6 ft 2 in 6 ft 2 in steve 4 ft 7 in 4 ft 11 in 5 ft 11 in 6 ft 1 in 6 ft 1 in what can be said about the growth trend for boys in paul's family? a. all four boys grew at a steady, consistent rate between the ages of 8 and 24. b. all four boys had a growth spurt around the age of 20. c. between the ages of 12 and 16, all four boys had the biggest jump in height. d. between the ages of 8 and 12, all four boys had the biggest jump in height.

Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling company’s specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?