A survey of randomly chosen adults found that 38 of the 61 women and 46 of the 83 men follow regular exercise programs.Construct a 95% confidence interval for the difference in
The proportions of women and men who have regular exercise programs.
A)(-0.124, 0.786)
B)(-0.093, 0.231)
C)(-0.124, 0.815)
D)(0.460, 0.786)
E)(0.430, 0.815)

Question

Quizplus · Accepted Answer

The correct confidence interval for the difference in proportions is calculated using the formula for two independent proportions. The interval (-0.093, 0.231) suggests a small difference between the proportions of women and men who follow regular exercise programs, which is plausible given the provided data.

A Survey of Randomly Chosen Adults Found That 38 of the 61