In an experiment, 16% of 734 subjects treated with Viagra experienced headaches. In the same experiment, 4% of 725 subjects given a placebo experienced headaches.  Use a 0.01 significance level and the P-value method to test the claim that the proportion of headaches is greater for those treated with Viagra. Write the claim and its opposite in symbolic form using the proper notation. Identify the Null and the Alternative hypotheses using symbolic form. Find the test statistic and the P-value State the decision based on your P-value. State the proper conclusion. This statement must address the original claim. 

If a simple pendulum is undergoing simple harmonic motion and its length is doubled, what happens to the frequency of its motion? Answer and explain in your scratch paper. (10 points)

Ahmal and Tiara say goodbye to each other. Ahmal walks a distance L = 3.0 m at an angle θ = 30◦ north of East, while Tiara walks a distance D = 5.0 m directly south. (a) Draw the displacement vectors of Ahmal and Tiara. (5 points) (b) Find the distance d between them after they each complete their walks. (15 points) Show your work and answer in the scratch paper. (20 points)

A cannon with a muzzle velocity of 1000 m/s is aimed to trigger an avalanche on a mountain slope. The target lies 2000 m horizontally and 800 m vertically above the cannon. At what angle above the horizontal should the cannon be fired?  Show your work and answer in the scratch paper. (15 points)

When you push on a box with a 200 N force instead of a 50 N force, you can feel that you are making a greater effort. When a table exerts a 200 N normal force instead of one of smaller magnitude, is the table doing anything differently? Record your answer with your reasoning to your scratch paper. Make sure to submit it to Gradescope at the end of the exam. (10 points) 

The primary care pediatric nurse practitioner sees a 12-month-old infant who is being fed goat’s milk and a vegetarian diet. The child is pale and has a beefy-red, sore tongue and oral mucous membranes. Which tests will the nurse practitioner order to evaluate this child’s condition?

A 2-year-old child who has sickle cell anemia (SCA) comes to the clinic with a cough and a fever of 101.5°C. The child currently takes penicillin V prophylaxis 125 mg orally twice daily. What will the primary care pediatric nurse practitioner do?

Does the halo of the Milky Way Galaxy include other galaxies?

The primary care pediatric nurse practitioner is managing care for a child diagnosed with iron-deficiency anemia who had an initial hemoglobin of 8.8 g/dL and hematocrit of 32% who has been receiving ferrous sulfate as 3 mg/kg/day of elemental iron for 4 weeks. The child’s current lab work reveals elevations in Hgb/Hct and reticulocytes with a hemoglobin of 10.5 g/dL and a hematocrit of 36%. What is the next step in management of this patient?

Which of the following statements is an example of a situational attribution?