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Question 165 / 5pointsDwight Howard plays center for the Orlando Magic in the National Basketball Association and averaged 2.4 blocked shots per game during the 2011 season. Assume that the number of blocked shots per game follows the Poisson distribution. What is the probability that Dwight Howard will block exactly two shots during the first half of the next game?0.2169
0.27740.38600.4427Question 170 / 5pointsAccording to the National Health Interview Survey, 4.7% of U.S. adults 50 and older have had a total knee replacement. A random sample of 20 adults 50 and older has been selected. Use the Poisson distribution to approximate the binomial distribution to determine the probability that three or four adults from this sample have had a total knee replacement.Question 180 / 5pointsAssume that the number of customers who arrive at a water ice stand follows the Poisson distribution with anaverage rate of 6.4 per 30 minutes. What is the probability that exactly two customers will arrive during the next 15 minutes?Question 195 / 5pointsThe ________ of a discrete probability distribution measures the dispersion of each outcome of the random variable from the mean of the distribution.Question 205 / 5pointsWhen the discrete random variable is expressed in terms of dollars, the mean of the distribution is known as theexpected value of sample information.expected value of the distribution.
average value of the distribution.expected monetary value.