Question

3. The Nervous System (BIOM A632) is currently being taught by Dr. Hinterberger at UAA. Dr. Hinterberger decided to give a short quiz of 10 questions; each question has four possible answers. What is the probability of getting two incorrect answers? (Use Binomial Table) (2 points)

3b. In studying the relationship between Lung Cancer and Smoking, Surgeon General Jerome Adams of the United States arrive at a correlation coefficient of 1.31. Discuss the results. (3 points)

3c.An experiment is conducted to enhance a child’s ability to reason deductively. Each child is tested before and after the experiment. The increase in “ for a child in test scores and the age “x” for a child are modeled by this equation.

                                           Y=15.65+7.5x

If two sisters in age differ by four years, by how much are their scores on this test expected to differ?

Answer 1

therefore if two sisters in age differ by 4 then expected difference in their score is 30