Question: Explaining confidence. A student reads that a 95% confidence interval for the mean body mass index (BMI) of young American women is 26.8 0.6.

Explaining confidence. A student reads that a 95% confidence interval for the mean body mass index (BMI) of young American women is 26.8 ± 0.6. Asked to explain the meaning of this interval, the student says, “95% of all young women have BMI between 26.2 and 27.4.” Is the student right? Explain your answer.

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