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urgent help plese A nationwide test taken by high school sophomores and juniors has three sections, each scored on a scale of 20 to 80.
urgent help plese
A nationwide test taken by high school sophomores and juniors has three sections, each scored on a scale of 20 to 80. In a recent year, the national mean score for the writing section was 51.1, with a standard deviation of 9.4. Based on this information, complete the following statements about the distribution of the scores on the writing section for the recent year. (a) According to Chebyshev's theorem, at least 36% of the scores lie X 5 ? between | and . (Round your answer to 1 decimal place.) (b) According to Chebyshev's theorem, at least (Choose one) V of the scores lie between 32.3 and 69.9Step by Step Solution
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