A toy company is preparing to market an electronic game for young children that “randomly” generate a color. They suspect, however, that the way the random color is determined may not be reliable, so they ask the programmers to perform tests and report the frequencies of each outcome. Are each of the following probability assignments possible? Why or why not?
Answer to relevant QuestionsMany stores run “secret sales”: Shoppers receive cards that determine how large a discount they get, but the percentage is revealed by scratching off that black stuff (what is that?) only after the purchase has been ...Consider again the auto repair rates described in Exercise 27. If you bought two new cars, what is the probability that: a) Neither will need repair? b) Both will need repair? c) At least one car will need repair? The American Red Cross must track their supply and demand for various blood types. They estimate that about 45% of the U.S. population has Type O blood, 40% Type A, 11 % Type B, and the rest Type AB- a) If someone volunteers ...In addition to slot machines, casinos must understand the probabilities involved in card games. Suppose you are playing at the blackjack table, and the dealer shuffles a deck of cards. The first card shown is red. So is the ...According to the Pew 2012 News Consumption survey, 50% of adults who post news on Twitter (“tweet”) are younger than 30. But according to the U.S. Census, only 23% of adults are less than 30 years old. A separate survey ...
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