Multiple Choice
Use the two-proportion plus-four z-interval procedure to find the required confidence interval.
-A survey of randomly chosen adults found that 27 of the 86 women and 37 of the 87 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) -0.277 to 0.486
B) 0.150 to 0.486
C) -0.250 to 0.033
D) 0.177 to 0.460
Correct Answer:
Verified
Correct Answer:
Verified
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