Suppose that Z represents a standard normal random variable. Find the following probabilities (Hint: drawing pictures will help) Q1.P(O s z s 1) a) 0.34 b) 0.45 c) 0.39 d) 0.90 Q2.P(0 s z s 1.65) a) 0.34 b) 0.45 c) 0.39 d) 0.90 Q3.P(1 s z s 0) a) 0.34 b) 0.45 c) 0.39 d) 0.90 Q4.P(1.28 <_: z s a b c d q5.p q6.p>