A simple random sample of 36 Chowchow dog weights yields a sample mean of 193 pounds. It is known that the standard deviation of the population of all  Labrador dog weights is 18 pounds. Test the null hypothesis that the mean weight of all  Labrador dogs is 200 pounds (use a left-sided test and significance level α = .01). State the conclusion in terms of the problem and calculate the P-value for this test.

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