A case-control (or retrospective) study was conducted to investigate a relationship between the colors of helmets worn by motorcycle drivers and whether they are injured or killed in a crash. Resul are given in the accompanying table. Using a 0.05 significance level, test the claim that injuries are independent of helmet color. Color of Helmet D Black White Yellow Red 484 340 35 153 202 105 65 8 Controls (not injured) Cases (injured or killed) Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: Whether a crash occurs and helmet color are dependent H₁: Whether a crash occurs and helmet color are independent OB. Ho: Injuries and helmet color are dependent H₁: Injuries and helmet color are independent O C. Ho: Injuries and helmet color are independent H₁: Injuries and helmet color are dependent O D. Ho: Whether a crash occurs and helmet color are independent H₁: Whether a crash occurs and helmet color are dependent Compute the test statistic. Blue 103 50 (Round to three decimal places as needed.) Find the critical value(s). (Round to three decimal places as needed Use a comma to separate answers as needed) ***