Rahman W.

asked • 07/27/20

Data Management Probability, Standard Deviation, and Normal Distribution Question:

Hi, how would i get started on solving this question?

The average monthly rainfall in Southern California is 26 mm. If rainfall data over the year is normally distributed with a standard deviation of 3.8 mm. Calculate the probability that it will rain less than 30 mm. Show all your work and include a sketch for the z-scores.

2 Answers By Expert Tutors


Samantha N. answered • 08/02/20

New to Wyzant

Statistics & Probability Enthusiast

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.