1). Find thez-score for which the area to the left is 0.20.

2). Xis a normally distributed random variable with a mean of 6.0 and a standard deviation of 3.00. Find the valuexsuch thatP(X<x) is equal to 0.86.

(this one has a diagram but I don't know how insert it)

3). Find thezvalue that corresponds to the given area to the right is 0.0721. (this has a diagram I couldn't insert)