Solve step by step in digital format Suppose that the average income of the engineers hired at REDUNO presents an approximately normal behavior with a mean of $17,000 pesos and a standard deviation of $3,000 pesos. a) What percentage of the employees will have incomes greater than $20,000 pesos? b) In a random sample of 50 employees, about how many people can be expected to have incomes of less than $15,000 pesos?

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