Total cholesterol values for a certain population are approximately normally distributed and has a mean of 200 mg/100 ml and a standard deviation of 20 mg/100. a) Find the probability that an individual picked at a random from this population will have a cholesterol value Greater than 225 mg/100ml. b) Find the probability that an individual picked at a random from this population will have a cholesterol value between 192 and 218 mg/100ml. c) Find the cholesterol level value that corresponds to the 60th percentile.

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