Question

A study was conducted at a state university and it was determined that students

College students dump an average of 640 pounds of trash each year, 30% of it the

month before graduation, according to a student newspaper article. For

estimate the amount of garbage discarded by students at the State University, 18

Students were randomly selected and carefully monitored for one year. The

amounts of garbage discarded have a mean of 559.9 lbs and a standard deviation

158.6 lbs. Does the state university have sufficient evidence that the mean number of

trash from their students is significantly less than the average amount of all the

universities? Assume normality and use a significance level of 0.05.​

Answer 1

Answer:

A study was conducted at a state university and it was determined that students

College students dump an average of 640 pounds of trash each year, 30% of it the

month before graduation, according to a student newspaper article. For

estimate the amount of garbage discarded by students at the State University, 18

Students were randomly selected and carefully monitored for one year. The

amounts of garbage discarded have a mean of 559.9 lbs and a standard deviation

158.6 lbs. Does the state university have sufficient evidence that the mean number of

trash from their students is significantly less than the average amount of all the

universities? Assume normality and use a significance level of 0.05.