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1.    A company that sells computer software for filing taxes wants to estimate the true difference in the proportion of tax filers who file electronically in Colorado (CO) and California (CA). They subtract ?jQuery224002446479241183841_1532024128272 ??A. Based on data obtained from a simple random sample, their 95% confidence interval is (0.037, 0.068). Which of the following is the best way to report this confidence interval?

a.     We are 95% confident that the data lie between 0.037 and 0.068.

b.    We are 95% confident that the true difference in proportion of electronic tax filers between California and Colorado is between 0.037 and 0.068.

c.     We are 95% confident that between 3.7% and 6.8% of tax filers file electronically.

d.    We are 95% confident that the difference between the sample proportions of electronic tax filers between California and Colorado is between 0.037 and 0.068

e.     We are 95% confident that the true proportion of electronic tax filers is between 3.7% and 6.8%. 

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