8, 7, 6, 9, 8.5, 7.5, 10, 5.5, 7, 9, 8.5, 7, 9.5, 8, 8.5 mrs. bergstedt listed the shoe sizes of all of her students. what is the mean shoe size of her students? a) 4.5 b) 5.5 c) 7 d) 7.93

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?

When a number is decreased by 9.9% the result is 40. what is the original number to the nearest tenth? super urgent

Use the sample data and confidence level given below to complete parts a through d. a research institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1090 and x=549 who said yes. use a 99% confidecne level. a. find the best point of estimate of the population of portion p. b. identify the value of the margin of error e. e= round to four decimal places as needed. c. construct the confidence interval._ < p < _ round to three decimal places. d. write a statement that correctly interprets the confidence interval.