Question: When finding the upper bound,U, of a confidence interval given the lower bound,L, and the margin of error,E , we use the formulaU = L

When finding the upper bound,U, of a confidence interval given the lower bound,L, and the margin of error,E , we use the formulaU = L + 2E. Find the upper bound for the proportion of babies that are born preterm if the lower bound isL = 0.217 and the margin of error isE = 0.944. Round your answer to 3 decimal places.

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