Assume that for an ad campaign to be​ successful, at least 77​%of those seeing a television commercial must be able to recall the name of the company featured in the commercial one hour after viewing the commercial. Before distributing an ad campaign​ nationally, an advertising company plans to show the commercial to a random sample of 15 people. It will also show the same people two additional commercials for different products or businesses.    a. Assuming that the advertisement will be successful (77%) will be able to recall the name of the company in the​ ad), what is the expected number of people in the sample who will recall the company featured in the commercial one hour after viewing the three​ commercials?   The expected number of people is?

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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Assume that for an ad campaign to be​ successful, at least 77​%of those seeing a television commercial must be able to recall the name of the company featured in the commercial one hour after viewing the commercial. Before distributing an ad campaign​ nationally, an advertising company plans to show the commercial to a random sample of 15 people. It will also show the same people two additional commercials for different products or businesses. 
 
a. Assuming that the advertisement will be successful (77%) will be able to recall the name of the company in the​ ad), what is the expected number of people in the sample who will recall the company featured in the commercial one hour after viewing the three​ commercials?
 
The expected number of people is?
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