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A spokesperson for the National Association of Broadcasters claims that less than 80% of all satellite radio subscribers have a satellite radio receiver in their
A spokesperson for the National Association of Broadcasters claims that less than 80% of all satellite radio subscribers have a satellite radio receiver in their car. A survey of 501 satellite radio subscribers shows that 355 of them had a satellite receiver in their car. Test the spokesperson claim at a 1% level of significance.
(Use p-value method)
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