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). 55- to 64-year-olds the survey included 411 adults between the ages of 55 and 64, and 50 of them said that they had used online dating. if we use this sample to estimate the proportion of all american adults ages 55 to 64 to use online dating, the standard error is 0.016. find a 95% confidence interval for the proportion of all us adults ages 55 to 64 to use online dating.

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

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As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.