Arestaurant claims that its hamburgers have less than 10 grams of fat. in a random sample of 19 hamburgers, a nutritional agency finds the mean fat content to be 8.5 grams with a standard deviation of 2 grams. assume that the fat content of hamburgers follows a normal distribution. find the rejection region at 5% significance level and state your decision.

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