Question

Show Attempt History Current Attempt in Progress More Information From the Online Dating Survey A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an online dating site or a dating app on their cell phone) Comparing Males to Females In the survey, 17% al of the men said they had used online dating, while 14% of the women said they had. Your answer is partially correct (a) Find a 95% confidence interval for the difference in the proportion saying they used online dating, between men and women. The standard error of the estimate is 0.016. Round your answers to three decimal places The 95% confidence interval is to i -0.001 0.614 eTextbook and Media Hint

Answer 1

solution:-

given that p1 = 17% = 0.17

and p2 = 14% = 0.14

standard error = 0.016

the value of 95% confidence from z table is z = 1.96

confidence interval formula

=> (p1-p2) +/- z * standard error

=> (0.17-0.14) +/- 1.96 * 0.016

=> -0.001 to 0.061