When constructing a confidence interval for a population mean, a sample of 40 observations was taken. The obtained interval was 17.25 2.42. If the sample size is 160 instead of 40, the confidence interval will be: a. 17.25 9.68 b. 69.00 9.68 c. 17.25 1.21 d. 69.00 1.21 e. 34.50 4.82

If 1/2 is half of 1, what is 1/2 of 2,3, and 4?

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

Which of the following represents the length of a diagonal of this trapezoid?