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How is standard normal Phi() evaluated in this course?

Patrick

Member
I notice in the Acted chapter 13 solutions that Phi() is simply evaluated without interpolation or workings. I am wondering if there is a guideline for how to evaluate these Phi()s in the exam? Which of the following approaches would be okay?

1) Evaluate directly in Excel.

2) Linear interpolation of the tables (surely too much at this stage..)

3) Round the argument (d1, d2) to two decimal places and read from the tables.

Anything I've missed?
 
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