The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 34 seconds and a standard deviation of 5.4 seconds. a) What is the probability that a randomly chosen student completes the activity in less than 31.5 seconds? 0.32 or b) What is the probability that a randomly chosen student completes the activity in more than 38.3 seconds? 0.22 X

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