The study found that 49 married taxpayers in the control group,240 in the 20% group, and
Chapter 0, Problem 22.8(choose chapter or problem)
The study found that 49 married taxpayers in the control group,240 in the 20% group, and 456 in the 50% group opened IRAs. Give three 95%confidence intervals, for the proportions of all married taxpayers who would openIRAs if given each offer. Does it appear that matching raises the proportion whoopen an IRA?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer