A study was conducted to compare the proportion of single women getting more than 8 hours of sleep to the proportion of married women getting more than 8 hours of sleep. Of 1000 single women, 540 reported that they sleep more than 8 hours on a regular basis. Of 1000 married women, 580 reported that they sleep more than 8 hours on a regular basis. Construct a 95% confidence interval for the difference of proportions between single and married women sleeping more than 8 hours on a regular basis.

Point Estimate:

x bar

p

x bar 1 - x bar 2

p1 - p2

=

Margin of Error: E =(round to 4 decimal places)

Lower Limit:(round to 4 decimal places)

Upper Limit:(round to 4 decimal places)

We are% confident that the true

population mean

population proportion

difference in population means

difference in population proportions

is betweenand.