Find the probability that none of the households are tuned to Ghost Whistler. P(none) =  Find the probability that at least one household is tuned to Ghost Whistler. P(at least one) =  Find the probability that at most one household is tuned to Ghost Whistler. P(at most one) =

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The television show Ghost Whistler has been successful for many years. That show recently had a share of 18, meaning that among the TV sets in use, 18% were tuned to Ghost Whistler. Assume that an advertiser wants to verify that 18% share value by conducting its own survey, and a pilot survey begins with 14 households have TV sets in use at the time of a Ghost Whistler broadcast.

Find the probability that none of the households are tuned to Ghost Whistler.
P(none) = 

Find the probability that at least one household is tuned to Ghost Whistler.
P(at least one) = 

Find the probability that at most one household is tuned to Ghost Whistler.
P(at most one) = 

If at most one household is tuned to Ghost Whistler, does it appear that the 18% share value is wrong? (Hint: Is the occurrence of at most one household tuned to Ghost Whistler unusual?)

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