Working with conditional probability.
Not what you're looking for? Search our solutions OR ask your own Custom question.
There are 12 light bulbs, 5 of which are defective. All bulbs look alike and have an equal probability of being chosen. Three light bulbs are selected and placed on the table.
Find the probability that:
a) All three are defective.
b) Two are defective.
c) That none are defective.
© BrainMass Inc. brainmass.com March 6, 2023, 1:09 pm ad1c9bdddfhttps://brainmass.com/math/probability/conditional-probability-example-problem-4493
Solution Preview
Assuming no replacement
Let defective bulbs be D
non defective bulbs be ND
a) P(all 3 defective) = D x D x D
= ...
Solution Summary
The probability of picking defective light bulbs is calculated.
$2.49