Algebra 2 Help, Right Answers Only Please! Some IQ tests are standardized to a Normal model with a mean of 100 and a standard deviation
of 16.
a. The top 2.5% of all scores represent the label of "genius”. What is the range of scores for
anyone who qualifies as a genius?

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?

If a is a nonzero real number then the reciprocal of a is

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)