The mean and standard deviation of a random sample of 7 baby orca whales were calculated as 430 pounds and 26. 9 pounds, respectively. Assuming all conditions for inference are met, which of the following is a 90 percent confidence interval for the mean weight of all baby orca whales?.
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The mean and standard deviation of a random sample of 7 baby orca whales were calculated as 430 poun...
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