Question

Use the standard normal distribution to find P(-1.23 Sz<2.12).

Answer 1

(d) 0.8736

Explanation:

Unless you have a table of the normal distribution available, this is a calculator problem. Your calculator, or any spreadsheet, can tell you the probability is ...

P(-1.23 ≤ z ≤ 2.12) ≈ 0.8736