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7. Suppose we want to estimate the mean weight of all tomatoes. A sample of 100 tomatoes selected from a population gave a mean weight

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7. Suppose we want to estimate the mean weight of all tomatoes. A sample of 100 tomatoes selected from a population gave a mean weight equal to 14.3 oz. The standard deviation for a population is o = 15. i) Identify the parameter. Is it known? ii ) Then, construct an 90% confidence interval for the population mean weight

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