A random sample of 300 students is selected from a large group of students who use a computer-equipped classroom on a regular basis. Occasionally, students leave their USB drive in a computer. Of the 300 students questioned, 180 said that they write their name on their USB drive. Calculate and interpret a 98 percent confidence interval for the proportion of all students using the classroom who write their name on their USB drive. Follow the four-step process. You must have all of the following components in order to receive full credit: 1. Identify the parameter of interest. 2. Check if the conditions for constructing a confidence interval for p are met. 3. Calculate the confidence interval and show your work. Write the confidence interval using interval notation. Round answers to 3 decimal places. Note: If you are using a graphing calculator, name the procedure as one-proportion z interval as part of your work. Then write the confidence interval using interval notation. 4. Interpret the interval in context.
