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A random sample of 8 different airlines showed an average of 14 delayed flights per week with a standard deviation of 3. Construct a 90%

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A random sample of 8 different airlines showed an average of 14 delayed flights per week with a standard deviation of 3. Construct a 90% confidence interval for the true average number of delayed flights per week for all airlines. Assume that the population is normally distributed. (Round the answer to nearest whole number) Required value of t Done

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