10 points Sav Match each confidence interval to its interpretation. Let p1 = the mean age (in years) of all chemistry majors at CSU and 2 = the mean age (in years) of all biology majors at CSU. $ 95% CI for H1 - H2: (-1.2, 0.4) A. We are 95% confident that the mean age of all chemistry majors at CSU is between 1.2 years less and 0.4 years more than the $ 95% CI for H1 - H2: (-1.2, -0.4) mean age of all biology majors at CSU. $ 95% CI for H1 - H2: (0.4, 1.2) B. We are 95% confident that the mean age of all chemistry majors at CSU is between 0.4 and 1.2 years less than the mean age of all biology majors at CSU. C. We are 95% confident that the mean age of all chemistry majors at CSU is between 0.4 and 1.2 years more than the mean age of all biology majors at CSU. QUESTION 3 10 points Save Ar In an experiment, subjects' calcium levels are measured before and after beginning a new medication. Which of the confidence intervals below suggest that the medication had an effect on subjects' calcium levels? Select all that apply. A. 95% CI for Hd: (-12.6, -4.1) B. 95% CI for Hd: (-2.7, 3.9) C. 95% CI for Hd: (4.1, 12.6) Q B O c