?You Explain It! Gestation Period The lengths of human pregnancies are normally distributed with ? = 266 days and ? = 16 days. (a) The figure

Chapter 7, Problem 35

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You Explain It! Gestation Period The lengths of human pregnancies are normally distributed with μ = 266 days and σ = 16 days.

(a) The figure represents the normal curve with μ = 266 days and σ = 16 days. The area to the right of x = 280 is 0.1908. Provide two interpretations of this area.

(b) The figure represents the normal curve with μ = 266 days and σ = 16 days. The area between x = 230 and x = 260 is 0.3416. Provide two interpretations of this area.

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