Question: The time to complete an exam is approximately Normal with a mean of 42 minutes and a standard deviation of 7 minutes. The bell curve

The time to complete an exam is approximately Normal with a mean of 42 minutes and a standard deviation of 7 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis to the standard deviation. Fill in the indicated boxes. U = 42 H- 30 1-20 1-0 u+O 4+ 20 u+ 30

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