I might need help with this regarding about probability.
Three phones were tested whether they wee defective or not. The ratings of the test are given: 0 for no defects, 1 for one defect, 2 for two defects and 3 for three/ all the phone are defective. Let X be the number of defective cellphones that will occur during the testing. Find the possible outcomes and the x values of the variable.
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