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  3. happen to the lever or commencer vvnyr g suppose t

happen to the lever or commencer vvnyr g Suppose that the firm decided that it...

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happen to the lever or commencer vvnyr g Suppose that the firm decided that it needed to be at least 96 percent confident of the population mean length of time to within one hour How would the number of people the firm surveys change Why 98 A sample of 16 small bags of the same brand of candies was selected Assume that the population distribution of bag weights is normal The weight of each bag was then recorded The mean weight was two ounces with a standard deviation of 0 12 ounces The population standard deviation is known to be 0 1 ounce a i x ii 0 iii Sx b In words define the random variable X c In words define the random variable X d Which distribution should you use for this problem Explain your choice e Construct a 90 percent confidence interval for the population mean weight of the candies i State the confidence interval ii Sketch the graph iii Calculate the error bound f Construct a 98 percent confidence interval for the population mean weight of the candies i State the confidence interval ii Sketch the graph iii Calculate the error bound q In complete sentences explain why the confidence interval in Part f is larger than the confidence interval

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