SOLUTION: A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He tests children selected at random and finds that their mean attention span is mi

Question 168764: A toy manufacturer wants to see how long, on average, a new toy captures children's attention. He tests children selected at random and finds that their mean attention span is minutes with a standard deviation of minutes. If we assume that attention spans are normally distributed, find a confidence interval for the mean attention span of children playing with this new toy. Then complete the table below.Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Critical numbers are missing in you posted problem.
Cheers,
Stan H.
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