A researcher wants to estimate the average age of college students at USF, it is known the age of a USF student follows a normal distribution with a mean of 22 years with a standard deviation of 3.5 years. The researcher collects a sample of 60 students and finds their average age is 20 years with a standard deviation of 1.5 years. What are the characteristics of the sampling distribution

Using elimination, what is -4x+2y=-12 4x+8y=-24

Which of the following is a cost homeowners insurance does not protect? a. the cost of repair or replacement of a home lost in a natural disaster. b. additional living expenses required while your home is repaired after a disaster. c. replacement costs for all contents in your home, including high cost electronics. d. the cost of medical expenses incurred by somebody getting injured on your property. select the best answer from the choices provided

Deena is planting two rectangular gardens. one garden is 3.67 feet by 8.56 feet, and the other garden is 3.67 feet by 7.45 feet. which expression does not respresent the total area in square feet of the two gardens