A sample of college students was asked how many hours per week they spent reading. The following
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A sample of college students was asked how many hours per week they spent reading. The following display from a TI-84 Plus calculator presents a 95% confidence interval for the population mean time spent reading.
a. Fill in the blanks: We are _________________ confident that the population mean number of hours is between ____________________ and ________________ .
b. Assume the population is not normally distributed. Is the confidence interval still valid? Explain.
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