A physician's billing office conducted a random check of patient records and found that 36 of 50 patients had changed insurance plans within the past
A physician's billing office conducted a random check of patient records and found that 36 of 50 patients had changed insurance plans within the past year. Construct a 90% confidence interval for the true proportion. (Round your answers to 4 decimal places.) The 90% condence interval is from 8.6026 to 3.3813
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