To my son with alegebra, but it's been 30 years.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer