For each situation below identify the population and the sample and identify p and p if appropriate
Question:
a) As concertgoers enter a stadium, a security guard randomly inspects their backpacks for alcoholic beverages. Of the 130 backpacks checked so far, 17 contained alcoholic beverages of some kind. The guards want to estimate the percentage of all backpacks of concertgoers at this concert that contain alcoholic beverages.
b) The website of the English newspaper The Guardian asked visitors to the site to say whether they approved of recent “boss napping” actions by British workers who were outraged over being fired. Of those who responded, 49.2% said “Yes. Desperate times, desperate measures.”
c) An airline wants to know the weight of carry-on baggage that customers take on their international routes, so they take a random sample of 50 bags and find that the average weight is 17.3 pounds.
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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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