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The time to complete an exam is approximately Normal with a mean of 49 minutes and a standard deviation of 2 minutes. The bell

The time to complete an exam is approximately Normal with a mean of 49 minutes and a standard deviation of 2 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. =49 = 2 + -30 -20 H-20 + +20 +30

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