How different are the mean GPAs of business majors when compared to engineering

Question

How different are the mean GPAs of business majors when compared to engineering majors? t distribution Estimate the difference in the percentages of binge drinkers when comparing freshmen to seniors? Z distribution Question 12 0/0.25 pts Consider a hypothesis test using a 0.05 Ho: Ps-P2-0 Ha:p1 P20. p-value 0.045. When using sample data: (p-hat -phatz)-0.60 If a 95% confidence interval was used to estimate: p1-P2, which is the only possible range of values for that interval. -0.10 to 0.70 0.035 0.40 Quiz Score: 1.52 out of 3 . Previous Next .

Explanation / Answer

as sample mean difference is 0.6 theefore our confidence interval limt average should be 0.6 ;

hence correct option is 0.40 to 0.80

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