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A researcher wishes to estimate the proportion of X-ray machines that malfunction. A random sample of 175 machines is taken, and 49 of the machines
A researcher wishes to estimate the proportion of X-ray machines that malfunction. A random sample of 175 machines is taken, and 49 of the machines in the sample malfunction. Based upon this, compute a 95% confidence interval for the proportion of all X-ray machines that malfunction. Then find the lower limit and upper limit of the 95% confidence interval Carry your intermediate computations to at least three decimal places. Round your answers to two decimal places. (ar recessary, consulta lat at formulas. Lower limit: ? Upper limit: X
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