A market research firm hires operators to conduct telephonesurveys. The computer

Question

A market research firm hires operators to conduct telephonesurveys. The computer randomly dials a telephone number, and theoperator ask the respondent whether or not he has time to answersome questions. Let x be the number of telephone calls made untilthe first respondent is willing to answer the operator's questions?Is this a binomial experiment? Explain.
A market research firm hires operators to conduct telephonesurveys. The computer randomly dials a telephone number, and theoperator ask the respondent whether or not he has time to answersome questions. Let x be the number of telephone calls made untilthe first respondent is willing to answer the operator's questions?Is this a binomial experiment? Explain.

Explanation / Answer

The amount of telephone number to choose among is very large.Therefore the experiment can be assumed to be binomial. In other words: every time the computer calls a number, thechance on calling someone who will respond is the same, thereforethis experiment is binomial.

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