STA 205 Final: Lab 4
Document Summary
Write your answers to the following questions on a separate sheet of paper to be turned into your lab instructor. These problems cover both the hypothesis test and confidence interval for the proportion. Please work through the questions consecutively and clearly label your answers: comscore collected data on the apps downloaded to the smartphones of american millennials (adults between the ages of 18 & 34). Respondents were asked which apps they had downloaded to their phone. Classify the variable as categorical or quantitative: estimate the proportion of all american millennials who have downloaded snapchat onto their smartphone with. 99% confidence: fill in the following blanks with either wider or narrower: a 95% confidence interval would be ______________ than the interval found in part a. It has been reported that 18% of all us adults have used a ride-sharing app (like uber). It is believed that this percentage is likely higher for young adults between the ages of 18 and 29.
