1. P (0 <=Z <= 0.82) 2. P (-0.92 <= Z <= 0) 3. P (-1 <= Z <= 0.5) 4. P (Z < -1.2) 5. P (|Z| > sigma) 6. P (|Z| > 2sigma) 7. P (|Z| > 3sigma)
Surely your textbook or classnotes explain how to do most if not all of these. Where are you stuck? What have you tried?
__________________ There are two things you should never try to prove: the impossible and the obvious.
The greater danger for most of us lies not in setting our aim too high and falling short; but in setting our aim too low and achieving our mark. (Michelangelo Buonarroti)
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If Z is N (0,1), Find 
Linear Mode
