Question 1.138

image 1.138 Quartiles for Normal distributions. The quartiles of any distribution are the values with cumulative proportions 0.25 and 0.75.

  1. (a) What are the quartiles of the standard Normal distribution?

  2. (b) Using your numerical values from part (a), write an equation that gives the quartiles of the N(μ, σ) distribution in terms of μ and σ.