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You are told that the distribution of television weights is normal, with a mean, of 11.8 kilograms and a standard deviation, of 2.2 kilograms. If

You are told that the distribution of television weights is normal, with a mean, of 11.8 kilograms and a standard deviation, of 2.2 kilograms. If a random sample, n of 9 televisions is selected, what is the Z score for a sample mean weight, xxof 13 kilograms?

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