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# A média e variação de uma variável aleatória discreta

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• Nota de Estudos
• Rever Tópicos
 Samkeliso R S. 0 0 calculating mean for a discrete random variable
 Juliet N. 0 0 calculating mean for a discrete random variable
 Juliet N. 0 0 MEAN CALCULATION FOR DISCRETE (ODD) NUMBER VARIABLE
 Rachel N. 0 0 The mean of a discrete random variable describes the long-term average outcome
 Liberté L. 0 0 Why is it taking so long for the squared boxes to change colors?
 Liberté L. 0 0 Why is it important to find the standard deviation in order to come up with a logical reasoning that conveys an explanation of the variance? Why can't we use the variance itself?
 Jahidul I. 0 0 The mean of a discrete random variable describes the long-term average outcome. Example 3 A particular lottery involves a very simple bet. Guess a particular 3-digit number (for example, 639). If you guess correctly you receive £500. If you buy tickets in this game regularly, what are your average winnings?
 Jahidul I. 0 0 How many types of Variable?
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