What is P(Y = 15)? If the rate of orders falls to 2.1 per minute: b. What is P(X = 1)? c. What is the variance for X?
What is P(Y = 15)? If the rate of orders falls to 2.1 per minute: b. What is P(X = 1)? c. What is the variance for X?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
A company's marketing department claims that the number of orders that are placed using their
e-commerce store has a Poisson distribution with
orders in 1 minute. Let Y be the number of orders in 5 minutes. If the claim of a mean of 3.5 orders per
minute is true
a. What is P(Y = 15)?
If the rate of orders falls to 2.1 per minute:
b. What is P(X = 1)?
c. What is the variance for X?
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