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In a string of 12 Christmas tree light bulbs, 3 are defective.The bulbs are sele

ID: 2950877 • Letter: I

Question

In a string of 12 Christmas tree light bulbs, 3 are defective.The bulbs are selected at random and tested, one at a time, untilthe third defective bulb is found. Compute the probabilitythat the third defective light bulb is the: a) Third bulbtested b) Fifth bulb tested c) Tenth bulb tested Thanks for your help! In a string of 12 Christmas tree light bulbs, 3 are defective.The bulbs are selected at random and tested, one at a time, untilthe third defective bulb is found. Compute the probabilitythat the third defective light bulb is the: a) Third bulbtested b) Fifth bulb tested c) Tenth bulb tested Thanks for your help! b) Fifth bulb tested c) Tenth bulb tested Thanks for your help!

Explanation / Answer

Are the bulbs selected with or without replacement?