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The probability that a visitor to a Web site provides
Chapter 3, Problem 115E(choose chapter or problem)
The probability that a visitor to a Website provides contact data for additional information is 0.01. Assume that 1000 visitors to the site behave independently. Determine the following probabilities:
(a) No visitor provides contact data.
(b) Exactly 10 visitors provide contact data.
(c) More than 3 visitors provide contact data.
Questions & Answers
QUESTION:
The probability that a visitor to a Website provides contact data for additional information is 0.01. Assume that 1000 visitors to the site behave independently. Determine the following probabilities:
(a) No visitor provides contact data.
(b) Exactly 10 visitors provide contact data.
(c) More than 3 visitors provide contact data.
ANSWER:
Step 1 of 6
The random variable X that equals the number of trials that result in a success is a binomial random variable with parameters and n = 1, 2,…. The probability mass function of X is,
Where,