The probability that a visitor to a Web site provides

Chapter 3, Problem 115E

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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.

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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,

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