Practice E9 Progress saved Done Score: 0/10 0/5 answered Question 4 0/2 pts 9 5 9 0 Details You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: 66.4 61.1 61.9 52.3 57.1 77.3 64.4 43.2 70.4 68.4 73 Find the 90% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 90% C. I. = Answer should be obtained without any preliminary rounding. Question Help: DVideo O Post to forum Submit