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Hypothesis Testing. The researcher believes that if pregnant women take vitamins, the birth weight of their babies...

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Basic Math

Hypothesis Testing. The researcher believesthat if pregnant women take vitamins, the birth weight of theirbabies will be greater than 7.2 pounds. The researcher feedsvitamins to 49 pregnant women and measures the birth weights oftheir babies. The mean birth weight of the 49 babies born to womenwho take vitamins is 7.5 pounds, with a standard deviation of0.9.

  1. At alpha = .05, test the claim that the mean birth weight ofbabies whose mothers took vitamins is greater than 7.2 pounds.
  2. Explain what a Type I Error would be for this experiment.
  3. Explain what a Type II Error would be.

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