Data task 20: A health-service planning team needs a rapid, accurate calculation from the stated data. The setting is a primary-care network. How many different groups of 6 can be selected from 19 people?

Data task 20: A health-service planning team needs a rapid, accurate calculation from the stated data. The setting is a primary-care network. How many different groups of 6 can be selected from 19 people?

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