Question: Suppose Christiana Hospital would like to estimate the proportion of

Suppose Christiana Hospital would like to estimate the proportion of patients who feel that physicians who care for them always communicated effectively when discussing their medical care. A pilot sample of 40 patients found that 33 reported that their physician communicated effectively. Determine the additional number of patients that need to be sampled to construct a 95% confidence interval with a margin of error equal to 3% to estimate this proportion. Verify your result using PHStat.

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  • CreatedJuly 17, 2015
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