:1a. Consider the simple random sample of 100 tickets drawn from the box of 10,000 tickets referred to in the previous example. It turns out that 20 of the 100 tickets in the sample are marked with a 4. The lower endpoint for an approximate 99.7% confidence interval for the percentage of tickets which are marked with a 4 is closest to a. 8% b. 12% c. 16% d. 18% e. 19%