1Spinal fusion surgery has become a popular and effective op

1.Spinal fusion surgery has become a popular and effective option for patients suffering from nerve pain caused by irregularities in the spinal disks. The effectiveness of the surgery varies from patient to patient. If the pain improvement post-surgery follows a normal distribution with a mean improvement of 2.25 and a standard deviation of 1.2, what is the probability that a randomly selected fusion patient experienced a pain improvement between 0 and 2?

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