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The scores on an aptitude test are normally distributed with a mean of 18 and a standard deviation of 6. 1.What score would a student

The scores on an aptitude test are normally distributed with a mean of 18 and a standard deviation of 6.

1.What score would a student need to be in the top 50%? Show graph, calculation and interpretation.

2. What score would a student need to be in the 10th percentile? Show graph, calculation and interpretation.

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