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A study of working actors looked at age and gender. One sample of 60 male actors...

A study of working actors looked at age and gender. One sample of 60 male actors had a mean age of 37 and a standard deviation of 3. The other sample included 60 female actors with a mean age of 33 and a standard deviation of 4. Estimate with 85% confidence the difference between the average ages of working male (μ1) and female (μ2) actors. Round answers to the nearest hundredth.
< μ1−μ2 <

math   Statistics-And-Probability   
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