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STAT201 Exam 2 questions and answers Graded A+
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STAT201 Exam 2 questions and answers Graded A+ Discrete probability distributions - specifies the possible values of a random variable (x) and their probabilities - determine most/least common outcomes in the data - calculate the probability for a range of possible x values Rules to determine if discrete probability distribution is valid - all probabilities fall between 0 and 1 - the sum of all probabilities for all possible x values equals 1 Formula to calculate discrete probability distribution expected value - m = E x P(x) - asked to find the mean of the probability distribution or the expected value of the probability distribution How to interpret discrete probability distr
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