In a recent poll, 200 people were asked if they liked skiing, and 19% said they did. based on this, construct a 99% confidence interval for the true population proportion of people who like skiing. as in the reading, in your calculations: a. -use z = 1.645 for a 90% confidence interval b. use z = 2 for a 95% confidence interval c. use z = 2.576 for a 99% confidence interval. give your answers as decimals, to 4 decimal places.