In Exercises 918, the problems are to be done without
Chapter 12, Problem 12.1.599(choose chapter or problem)
In Exercises 918, the problems are to be done without replacement. Use combinations to determine probabilities. Selecting Lightbulbs A box contains 3 defective and 7 good lightbulbs. If two lightbulbs are to be selected at random from the box, determine the probability that both lightbulbs are defective.
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