Bryan worked 20 hours last week. he earned $100. how much did he earn per hour?

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 values of c and d make the equation true?

Find the value of x. give reasons to justify your solutions! c ∈ ae