Question: The normal distribution with mean 6.8 and standard deviation 1.6 is a good description of the Iowa Test Vocabulary scores of seventh grade students in

The normal distribution with mean 6.8 and standard deviation 1.6 is a good description of the Iowa Test Vocabulary scores of seventh grade students in Indiana. Let the random variable x represent the Iow test score of a randomly selected Indiana seventh grader. What Iowa test score represents the 1st quartile?

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