Question: Question 3: (10 marks) The time taken to complete a physics exam is normally distributed with a mean of 110 minutes and a standard deviation

Question 3: (10 marks) The time taken to complete

Question 3: (10 marks) The time taken to complete a physics exam is normally distributed with a mean of 110 minutes and a standard deviation of 20 minutes. a. If a student is randomly selected from all students taking this physics exam, find the probability that this student will take more than 95 minutes to complete this physics exam. (3 marks) b. If a student is randomly selected from all students taking this physics exam, find the probability that this student will take fewer than 104 minutes to complete this maths exam. (3 marks) C. Suppose that we draw a random sample of 100 students from all students taking this physics exam. Find the probability that the average time taken of the 100 students will be more than 115 minutes. (4 marks) Note: You are required to show your workings and calculations for this

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