A researcher predicts that listening to music while solving math problems will make a particular brain area more active. To test this, a research participant has her brain scanned while listening to music and solving math problems, and the brain area of interest has a percentage signal change of 58. From many previous studies with this same math problems procedure (but not listening to music), it is known that the signal change in this brain is normally distributed with a mean of 35 and a standard deviation of 10.

1. Usingthe.01level,whatshouldtheresearcherconclude?Solvethisproblemexplicitlyusingallfivestepsofhypothesistesting,andillustrateyouranswerwithasketchshowingthecomparisondistribution,thecutoff(orcutoffs),andthescoreofthesampleonthisdistribution.

Explain your answer to someone who has never had a course in statistics (but who is familiar with mean, standard deviation, and Z scores).