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P-value and the rejection point methods

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A random sample of 100 two-month-old babies is obtained, and the mean head circumference is found to be 40.6 cm and the standard deviation 1.6 cm. Use a 0.05 significance level to test the claim that the mean head circumference of all two-month-old babies is equal to 40 cm. Use both the p-value and the rejection point methods. 

Reference no: EM131912972

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