Hi everyone please help me!

What is the probability that the mean retail price, in a sample of 36, is greater than $21? Assume the population average retail price is $21.4 & the population standard deviation is $1.13.

Please help...

We don't provide homework answers on this site, but I know how tough statistics can be. Check out the site below; it's an online probability calculator, you should get your answer there. Good luck.

Probability Calculator: Compute Probability of Events, Unions, Intersections, and Conditional Probability (http://stattrek.com/Tools/ProbabilityCalculator.aspx)