Mathematics, 29.04.2021 09:00 meganpaughstu

Suppose that a box contains 7 cameras and that 4 of them are defective. A sample of 2 cameras is selected at random. Define the random variable X as the number of defective cameras in the sample. Write the probability of X. What is the expected value of X?

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Suppose that a box contains 7 cameras and that 4 of them are defective. A sample of 2 cameras is sel...

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