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A discrete random variable X takes values from 1 to 5 with probabilities as shown in the table. A student calculates the mean of X and 3.5 and her teacher calculates the variance of X as 1.5. Which of the following statements is true

🗓 Feb 4, 2022

Answer is "Both the student and the teacher are wrong."

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Jordan 🌐 India
can anyone share the explanation, please?
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Catherine 🌐 India
like it
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