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Mathematics, 26.07.2019 02:30 1234567890lknn
The television show 50 minutes has been successful for many years. that show recently had a share of 29, meaning that among the tv sets in use, 29% were tuned to 50 minutes. assume that an advertiser wants to verify that 29% share value by conducting its own survey, and a pilot survey begins with 15 households have tv sets in use at the time of a 50 minutes broadcast.
find the probability that none of the households are tuned to 50 minutes. p(none) = (round answer to 4 decimal places)
find the probability that at least one household is tuned to 50 minutes. p(at least one) = (round answer to 4 decimal places)
find the probability that at most one household is tuned to 50 minutes. p(at most one) = (round answer to 4 decimal places)
if at most one household is tuned to 50 minutes, does it appear that the 19% share value is wrong? (hint: is the occurrence of at most one household tuned to 50 minutes unusual? )
a. yes, it is wrongb. no, it is not wrong
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