Problem 5.21 Newbold See image My attempt: 1. See image2
2. Searching for it in this table Public Domain Normal Distribution Table
I find z=0.06
3. Thus, a=0.06
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a) The z-score for 0.4 is , but your table only goes up to so we would use the approximation:
Last edited by MarkFL; Nov 29th 2012 at 03:10 AM.
Using numeric integration, I find:
Sorry, I didn't say that I was trying to do e. (But yes, in a. P ≈ 0).
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