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1. The owner of a courier company claims that the average weight of a package is 9.25 kilograms with a standard deviation of I119 kilograms.

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The owner of a courier company claims that the average weight of a package is 9.25 kilograms with a standard deviation of I119 kilograms. lfthe owner takes a random sample of 168 packages. what is the value of the standard error of the sampling distribution of the sample mean? Please give your answer correctly rounded to two decimal places. If you are told that a normally distributed random variable, X. has a mean of 6.09 with a standard deviation of 1-49: what is the z score when x is 9.93? Please give your answer correctly rounded to two decimal places

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