Suppose the annual out-of-pocket health care expenses for retirees have a mean of 10,700 and a standard deviation of 2,500. The percentage of retirees with annual out-of-pocket health care costs between 5,700 and 15,700 is
A) approximately 68.
B) at least 89.
C) approximately 95.
D) at least 75.
Question 2
Dwight Howard plays center in the National Basketball Association and averaged 1.8 blocked shots per game during a recent season. Assume that the number of blocked shots per game follows the Poisson distribution.
What is the probability that Dwight Howard will block exactly one shot during the next game?A) 0.2975
B) 0.3960
C) 0.4347
D) 0.5236
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