Find the probability that none of the households

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The television show Lett3rs has been successful for many years. That show recently had a share of 20, meaning that among the TV sets in use, 20% were tuned to Lett3rs. Assume that an advertiser wants to verify that 20% share value by conducting its own survey, and a pilot survey begins with 11 households have TV sets in use at the time of a Lett3rs broadcast.

Find the probability that none of the households are tuned to Lett3rs.

P(none) =

Find the probability that at least one household is tuned to Lett3rs.

P(at least one) =

Find the probability that at most one household is tuned to Lett3rs.

P(at most one) =

If at most one household is tuned to Lett3rs, does it appear that the 20% share value is wrong? (Hint: Is the occurrence of at most one household tuned to Lett3rs unusual?)

Reference no: EM132332022

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