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26-06-2021
Mathematics

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The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard deviation of 3 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.

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biffyboffboof biffyboffboof

26-06-2021

Answer:

This means the average amount of time is 48 minutes but many people will do it in 45 to 51

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