The National Center for Education would like to estimate the average student debt for the class of 2010 for the state of Ohio with a 90% confidence interval and a margin of error within plus or minus $1,500. Assuming the standard deviation for student debt in this state is $9,000, the required sample size is ________.
View Feedbackn 10The federal government would like to estimate the proportion of families with no savings. A pilot sample of50 families found that 12 had no savings. The total sample size needed to construct a 98% confidence interval for the proportion of families with no savings with a margin of error equal to 5% is ________.395459423302Quiz Submissions - Chapter 9 QuizLinda Thibault (username: lthiba1)Attempt 1Written: Jun 6, 2017 8:19 PM - Jun 6, 2017 8:47 PMSubmission View