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The weights of watermelons are normally distributed with an average weight of 22 pounds and a standard deviation of 3 pounds. The grocery store orders

The weights of watermelons are normally distributed with an average weight of 22 pounds and a standard deviation of 3 pounds. The grocery store orders a shipment of 200 watermelons, and the watermelon company promises that the average weight will be at least 21.7. What is the level of confidence?

92

80

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95

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