Question
The number of tubes of toothpaste purchased by a typical family is a random variable having a Poisson distribution with an average of 1.8 tubes
The number of tubes of toothpaste purchased by a typical family is a random variable having a Poisson distribution with an average of 1.8 tubes per month. i. What is the probability that a typical family will purchase at least three tubes of toothpaste in any given month? ii. What is the likelihood that a typical family will purchase less than four tubes of toothpaste in any given month?
Step by Step Solution
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Step: 1
To solve this problem lets use the properties of the Poisson distribution A Poisson distribution is characterized by the parameter lambda which is the average number of occurrences in a fixed interval ...
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
