The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 32.6 seconds and a standard deviation of 8 seconds. a) What is the probability that a randomly chosen student completes the activity in less than 23 seconds? Round to 3 decimal places. b) What is the probability that a randomly chosen student completes the activity in more than 37 seconds? Round to 3 decimal places. c) What proportion of students take between 27 and 36.6 seconds to complete the activity? Round to 3 decimal places. d) 70% of all students finish the activity in less than seconds. Round to 1 decimal place