Refer to the technology output given to the right that results from measured hemoglobin levels​ (g/dL) in 100 randomly selected adult females. The confidence level of 99​% was used. TInterval (12.868,13.590) x=13.229 Sx=1.375 n=100   a. Express the confidence interval in the format that uses the​ "less than" symbol. Assume that the original listed data use two decimal​ places, and round the confidence interval limits accordingly and identify the best point estimate of μ and the margin of error.

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