Thirty-three college freshmen were randomly selected for an on-campus survey at their university. the participants' mean gpa was 2.5, and the standard deviation was 0.5. what is the margin of error, assuming a 95% confidence level? (assume a normal distribution.)

Wilma worker has a $90,000 insurance policy for which she pays $1,200 a year. to compare the cash value of the policy to investing the same amount of money at 6%, she performs the following calculations:

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?