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Which of the following is the symbol of standard normal PDF?(a) φ(b) #(c) &(d) *I had been asked this question in an interview for job.This key question is from Distribution in section Distributions, Graphics & Neural Networks of R Programming

Answer» CORRECT answer is (a) φ

To elaborate: The lowercase Greek letter phi (φ) is used to DENOTE the STANDARD normal PDF and the CAPITAL Greek letter phi Φ is used to denote the standard normal CDF.


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