2. The number of people who lunch at a restaurant is normally distributed.X = 250Standard deviation = 20a. What's the probability of at least 200 eating at the restaurant in a day?b. Probability between 225 and 275 clients showing up in a day?

Given that, mean=250 Standard deviation=20.

Answered: 2. The number of people who lunch at a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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2. The number of people who lunch at a restaurant is normally distributed. X = 250 Standard deviation = 20 a. What's the probability of at least 200 eating at the restaurant in a day? b. Probability between 225 and 275 clients showing up in a day?