Answer for brainliest (easy question)

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

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Which of the following is an example of conditional probability