stephgmstone2899 stephgmstone2899

15-04-2024
Mathematics

contestada

Consider a university having 15,000 students and let X = the number of courses for which a randomly selected student is registered with the probability mass function given below.
a) What is the average number of courses taken by a student?
x 1 2 3 4 5 6 7
p(x) .03 .05 .19 .29 .21 .17 .06

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