please mark correct answer of these questions

Question 39 {1 point] If a BMI is 30.0 or greater, a person is considered to be obese. How many standard deviations above the mean is 30 {round to 2 decimal places)? _ Choose the correct answer from below Question 40 {1 point] Compute a 95% condence interval mean BMI (round to 2 decimal places. Use the empirical rules.}: Choose the correct answer from below. O[27.09, 23.?1] Omens. 29.15] O[21.19, 32.?1] C) [17.90, 31.90] Part VIII Questions 37 - 40 160 individuals were interviewed and their BMIs are measured. We found a sample mean BMI of 2?.9 and a variance of 26.01. ASSume the distn'hution of BMI in this data is normally distributed. Answer the following questions: Question 3? {1 point} The standard deviation of BMI in this data is {round to the nearest ten'IJ: __ Choose the correct answer from below. Question 38 {1 point} What percentage I: 96) of individuals have a BMI between 22.3 and 33.0? {Use the empirical rules.]I Choose the correct answer from below