A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He

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A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He tests 10

children selected at random and finds that their mean attention span is 27

minutes with a standard deviation of 4 minutes. If we assume that attention spans are normally distributed, find a 95%confidence interval for the mean attention span of children playing with this new toy. Give the lower limit and upper limit of the 95% confidence interval. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

Posted Date: May 18, 2024 03:06 PM

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A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He

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