Question 37. Please explain the steps for me thanks.

COURSE: STAT 1000 ON: B 35. Scores on a Manitoba provincial mathematics exam are known to follow a normal dis- 100 tribution with a mean of 67% and a standard deviation of 8.42%. What proportion of students score higher than 68.8% on the exam? (B) 0.3745 (C) 0.4168 (D) 0.5832 (E) 0.7862 (A) 0.2138 36. The length X, of a TV commercial is known to follow a normal distribution with mean 30 seconds and standard deviation 4 seconds. Find the 60th percentile for the distribution of X. (A) 31.00 seconds (B) 32.40 seconds (C) 32.90 seconds (D) 34.08 seconds (E) 39.60 seconds 37. The variable X follows a normal distribution with standard deviation o = 5. If P(X