A random sample of 100 students at a high school was asked whether they would ask their parent(s) for help with a financial problem, in which 47 of them replied yes. A second sample of 100 different students was asked the same question regarding a dating problem, in which 43 of them replied yes. Construct a 98% confidence interval for p1-p2, the difference in the population proportions of high school students that would ask their parents for financial help versus a dating problem. Is it possible that the two population proportions are actually equal? Why or why not?
Using Z table , the critical value is calculated
Get Answers For Free
Most questions answered within 1 hours.