Find the indicated probability. 9) The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation of $150. What percentage of trainees earn less than...

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Extracted text: Find the indicated probability. 9) The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation of $150. What percentage of trainees earn less than $900 a month? A) 90.82% B) 40.82% C) 35.31% D) 9.18%