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Let X be the change in the range of motion for rotator-cuff injuries patients after the physical therapy treatment. 28 patients were selected at random,

Let X be the change in the range of motion for rotator-cuff injuries patients after the physical therapy treatment. 28 patients were selected at random, with mean change to be 50 cm and standard deviation 10 cm. What is the distribution of X? Question 1 options: a) Poisson distribution b) Binomial distribution c) F distribution d) Normal distribution e) Exponential distribution

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