The television show September Road has been successful for many years. That show recently had a share of 28, meaning that among the TV sets in use, 28% were tuned to September Road . Assume that an...

The television showSeptember Road has been successful for many years. That show recently had a share of 28, meaning that among the TV sets in use, 28% were tuned toSeptember Road. Assume that an advertiser wants to verify that 28% share value by conducting its own survey, and a pilot survey begins with 13 households have TV sets in use at the time of aSeptember Road broadcast.


Find the probability that none of the households are tuned toSeptember Road.

P(none) =


Find the probability that at least one household is tuned toSeptember Road.

P(at least one) =


Find the probability that at most one household is tuned toSeptember Road.

P(at most one) =


If at most one household is tuned toSeptember Road, does it appear that the 28% share value is wrong? (Hint: Is the occurrence of at most one household tuned toSeptember Road unusual?)