Measurement error that is normally distributed with a mean of O and a standard deviation of 0.5 gram is added to the true weight of a sample. Then the measurement is rounded to the nearest gram. Suppose that the true weight of a sample is 165.6 grams. (a) What is the probability that the rounded result is 167 grams? Round your answer to three decimal places (e.g. 98.765). P = i (b) What is the probability that the rounded result is 167 grams or more? Round your answer to three decimal places (e.g. 98.765). P = i

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