Question: The mean number of basic operation problems completed by third graders was ninety in three minutes was 90. The data is normally distributed with a

The mean number of basic operation problems completed by third graders was ninety in three minutes was 90. The data is normally distributed with a standard deviation of 8 problems. Determine if the scores are two or three standard deviations away from the mean. 66 problems 106 problems 74 problems 114 problems

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