Among 10 people 2 people have a pulse of 50 3 have a pulse


Among 10 people, 2 people have a pulse of 50, 3 have a pulse of 70, 4 have a pulse of 80, and 1 has a pulse of 90.  If X = the pulse of 1 person picked at random from the 10, what are the mean and variance of X? (Make a probability distribution table for X and give formula and value for each)

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Applied Statistics: Among 10 people 2 people have a pulse of 50 3 have a pulse
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