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The distribution of scores on a test is mound-shaped and

The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68% of the scores fall between 72
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the distribution of scores on a test is mound shaped and dsymmetric with a mean score of 78. if 68 percent of the scores fall
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A certain standardized test's math scores have a bell-shaped distribution with a mean of 530and a standard deviation of
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Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 17. What percentage of
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Mr. Gonzalez gave his students a biology test last week.Here are the test scores for each of the eleven students. Complete the
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Scores of an IQ test have a bell shaped distribution with a mean of 100 and a standard deviation of 19. Use the empirical rule
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Suppose X has a mound-shaped distribution with sigma=9. A random sample of size 36 has a sample mean 20. Is it appropriate to
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Suppose IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. What percentage of the
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Suppose that IQ scores have a bell-shaped distribution with a mean of 99and a standard deviation of 17 . Using the empirical
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Suppose that IQ scores have a bell-shaped distribution with a mean of 97 and a standard deviation of 17. Using the empirical
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