Education In 2006, the scores for the ACT Test could be modeled by a normal probability
Chapter 9, Problem 55(choose chapter or problem)
Education In 2006, the scores for the ACT Test could be modeled by a normal probability density function with a mean of 21.1 and a standard deviation of 4.8. (Source: ACT, Inc.) (a) Use a graphing utility to graph the distribution. (b) Use a symbolic integration utility to approximate the probability that a person who took the ACT scored between 24 and 36. (c) Use a symbolic integration utility to approximate the probability that a person who took the ACT scored more than 26.
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