Where does all that Halloween candy go? The October 2004 issue of Readers’ Digest quoted that “90% of parents admit taking Halloween candy from their children’s trick-or-treat bags.” The source of information was the National Confectioners Association. Suppose that 25 parents are interviewed. What is the probability that 20 or more took Halloween candy from their children’s trick-or-treat bags?
Answer to relevant QuestionsHarris Interactive conducted a survey for Tylenol PM asking U.S. drivers what they do if they are driving while drowsy. The results were reported in a USA Today Snapshot on January 18, 2005, with 40% of the respondents ...A binomial random variable x is based on 15 trials with the probability of success equal to 0.4. Find the probability that this variable will take on a value more than 2 standard deviations above the mean. Verify whether or not each of the following is a probability function. State your conclusion and explain. You are not alone if your garage is so cluttered that you cannot fit your car inside. According to the Democrat & Chronicle article “Season’s cleaning” (January 1, 2009), the U.S. Department of Energy reports that 25% ...Find the following values of z: a. z(0.12) b. z(0.28) c. z(0.85) d. z(0.99)
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