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need graph and step by step A school principal claims that at most 15% of her students are below their grade level in reading. A

need graph and step by step

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A school principal claims that at most 15% of her students are below their grade level in reading. A random testing of 250 students reveals that 45 are below their grade level. Test the principal's claim at a 0.05 significance level. Determine the p value. Need graph and step by step (Ctrl)

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