What would you earn in total commissions on the following sales of $5,100, $4,876, $5,215, $6,225, and $5,235, if you earned a commission rate of 1.5%.

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

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase