\dfrac15(15+10k) =
5
1
​
(15+10k)

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

Answer this question only if you know the answer! 30 points and

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers