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Natalia collects data on the results of a fitness regimen for a sample of 100 people. She finds the mean weight loss was 3.6 kg,

Natalia collects data on the results of a fitness regimen for a sample of 100 people. She finds the mean weight loss was 3.6 kg, with a standard deviation of 0.9 kg.

What percentage of her sample lostmorethan 5 kg? (Assume a normal distribution.)

-6%

-7.5%

-14%

-21%

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