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Suppose that a certain brand of water filter has a mean life of 600 gallons and a standard deviation of 53 gallons. The histogram indicates

Suppose that a certain brand of water filter has a mean life of 600 gallons and a standard deviation of 53 gallons. The histogram indicates that the data follows a bell shaped curve. Assuming the data is bell-shaped what percent of filters will have a life between 494 gallons and 706 gallons? 68% O 99.7% O 34% 95%

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