Solution-Identify the symmetrical interval that includes

Identify the symmetrical interval that includes

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According to the burea of labor statistics, Americans spent on average $2913 in 2016 on entertainment. Assume the population Standard deviation of the spending is $885. A random sample of 30 adults was selected and was found to have an average spending of $2750 on entertainment. Compare parts a and b

a. Does this sample provide support war the conclusions of the BLS poll. There is blank chance of observing a sample mean as low as $2750. This probability is ____ enough (0.05) to contradict the findings of the poll.

b. Identify the symmetrical interval that includes 95% of the sample means if the true population mean is $2913

Reference no: EM132845196

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Identify the symmetrical interval that includes

Reference no: EM132845196

Reference no: EM132845196

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