If you're trying to anger me, personally, that is an excellent way to start ao conversation. Please start knowing where to start. I just cannot conceive of having no clue at all. Start with breaking out your book. Start with attending class. Start with a table of values for a Standard Normal Distribution. See what I'm saying? You DO have an idea where to start. You just think you are lost when you are not. Fix the attitude problem and you will ahve better success.

Why should anyone help you with a take home test? Shouldn't you show your work? You can't do that if it is someone else's work.

90% at least 36 hours. Find your standard z-score with 90% of the area to the right.

65% at least 42 hours. Find your standard z-score with 65% of the area to the right.