SOLUTION: The A. B. Company buys calculators from a Korean supplier. The probability of a defective calculator is 10%. If three calculators are selected at random, what is the probability
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Question 263239: The A. B. Company buys calculators from a Korean supplier. The probability of a defective calculator is 10%. If three calculators are selected at random, what is the probability that all three of the calculators will be defective?
Answer by mducky2(62) (Show Source): You can put this solution on YOUR website!
We know that the probability that each calculator is defective is 10%, or 0.1.
probability the first calculator is defective = 0.1
probability the second calculator is defective = 0.1
probability the third calculator is defective = 0.1
To find the probability that the first AND second AND third are defective, we need to multiply them all together.
To convert a decimal to a percentage, we multiply by 100.
So, the probability that all three calculators are defective is 0.1%.
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