farmer jim keeps 12 hens in every coop. if farmeer jim has 20 coops how many hens does he have in all if every hen lays 9 eggs on monday how many eggs will famer jim collect on monday

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Find the area of an equilateral triangle with a side of 6 inches