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An information technology (IT) consulting firm specializing in healthcare solutions wants to study communication deficiencies in the health care industry. A random sample of 70 healthcare clinicians reveals the following.
Time wasted in a day due to outdated communication technologies: x=45 minutes, s= 10 minutes. Thirty-six health care clinicians cite inefficiency of pagers as the reason for the wasted time.
a. Construct a 99% confidence interval estimate for the population mean time wasted in a day due to outdated communication technologies.
b. Construct a 95% confidence interval estimate for the population proportion of health care clinicians who cite inefficiency of pagers as the reason for the wasted time.
Constructing a Pareto chart. Comparisons are easier if you order the bars in a bar graph by height.- Make a Pareto chart. Which stage of the painting process should we look at first?
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