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The television show *Pretty Betty* 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 *Pretty Betty*. Assume that an advertiser wants to verify that 18% share value by conducting its own survey, and a pilot survey begins with 10 households have TV sets in use at the time of a *Pretty Betty* broadcast.

(Round answers to four decimal places.)

Find the probability that none of the households are tuned to *Pretty Betty*.*P*(none) =

Find the probability that at least one household is tuned to *Pretty Betty*.*P*(at least one) =

Find the probability that at most one household is tuned to *Pretty Betty*.*P*(at most one) =

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

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21 Feb 2021

Due Date: 21 Feb 2021
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