Question

1.) YouTube is becoming a huge resource when it comes to publicity. Advertisers monitor the amount of traffic specific users generate as well as how many visitors repeatedly return to certain YouTube channels. From a random sample of 1200 viewers for a particular channel, 897 were repeat viewers (as in they had visited the channel at least one point prior to the current visit that was sampled). Construct and interpret the 96% confidence interval for repeat viewers.

Answer 1

Let p denotes the true proportion of repeat viewers.

Interpretation : Out of 100 samples drawn, sample proportion will lie between (0.722, 0.773) for 96 samples.