48. the manager at a theme park surveys visit...

48. the manager at a theme park surveys visitors who ride the roller coaster on saturday and determines that 30% are first time visitors to the park. which statement is true? a the sample is representative of the population because it includes all visitors to the theme park. b the sample is representative of the population because it shows that exactly 30% of the roller coaster riders are first time visitors to the theme park. c the sample may not be representative of the population because it only includes roller coaster riders on saturday. d the sample shows that on saturdays, exactly 30% of the visitors are first time visitors to the theme park.

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