Assume that the heights of bookcases are normally distributed. A random sample of 16 bookcases in one company have a mean height of 67.5 inches and a standard deviation of 1.7 inches. Construct a 99% confidence interval for the population standard deviation, σ.

1- identificar select the category that corresponds to each term. january 23 11: 59 pm unlimited attempts remaining grade settings 276-279 vocabulary list modelo fiesta quinceañera casada adolescencia viudo juventud navidad niñez vejez aniversario de bodas divorciado madurez cumpleaños soltera

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Hi, can anyone show me how to do this problem? 100 points for this. in advance