The average cost of repairing an smartphone is $120 with a standard deviation of $10.50. The costs
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The average cost of repairing an smartphone is $120 with a standard deviation of $10.50. The costs are normally distributed. If 15% of the costs are considered excessive, find the cost in dollars that would be considered excessive.
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Saikumar Ramagiri
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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