A bag contains 100 balls in which 10 are defective and 90 are nondefective balls. Find the number of ways to select 8 balls without replacement in which at least 7 balls should be defective?
A bag contains 100 balls in which 10 are defective and 90 are nondefective balls. Find the number of ways to select 8 balls without replacement in which at least 7 balls should be defective?