A diabetic knows his blood glucose readings follow an approximately normal distribution with a mean of 5.4 mmol/l and a standard deviation of 1.6 mmol/l. Assuming each blood glucose reading is independent of any other, what is the probability that any randomly selected blood sample will contain between 5 and 7.2 mmol/l of glucose? Question 24 options:

0.8708

0.3888

0.4695

0.4013

0.6495