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In: Statistics and Probability

A hairdresser collected data on the number of services provided on Saturdays and on weekdays. Her...

A hairdresser collected data on the number of services provided on Saturdays and on weekdays. Her results are listed below. Assume the two samples were independently taken. Saturday: n1=60 and x1=24 Weekday: n2=45 and x2=15

a) Estimate the difference in the true proportions with a 99% confidence interval.

b) Interpret this interval, in sense what can you conclude about the true difference between these two proportions.

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orchestra answered 1 year ago
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