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  3. a random sample of 175 xray machines is taken. and

a random sample of 175 xray machines is taken. and 54 machines in the sample malfunction....

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Basic Math

a random sample of 175 xray machines is taken. and 54machines in the sample malfunction. compute a 95% confidenceinterval for the proportion of all xray machines that malfunction.then calculate the upper and lower limit of the 95% confidenceintervals

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