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Question

Revolt · Accepted Answer

The z-score for 2,500 g is –2.; According to the empirical rule, 95% of babies have a birth weight of between 2,500 g and 4,500 g.; 5% of babies have a birth weight of less than 2,500 g or greater than 4,500 g.; Normal distributions are symmetric, so 2.5% of babies weigh less than 2,500g.

Expected Value

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