Question

Health Insurers are beginning to offer telemedicine services online that replace the common office visit. Wellpoint provides a video service that allows subscribers to connect with a physician online and receive prescribed treatments (Bloomberg Businessweek, March 4-9, 2014). Wellpoint claims that users of its LiveHealth Online service saved a significant amount of money on a typical visit. The standard deviation for the amount saved has historically remained steady at 24.86. a sample of 90 online doctor visits revealed a mean amount of $62 saved

Does your confidence interval provide evidence that the mean savings exceed $50

Yes or no (support your answer)

Answer 1

As no infomation about Confidence Internal so, 9% (5 = Ã zover = 62† ( = NORMS INV (0,025)) (2006) 62 + ENORMSIN V90 562 1696 1 2 24.8 = 62 £ 5. 14 I Excel fuk / ENORMSINV = 56.86, 67.14 =1156.86, 67.14) greater Since, gã% confidence internal contain than $50, sores

Note - I hv considering 95% confidence interval