Mathematics, 11.02.2022 17:30, jetblackcap

A college graduate statistics class has eighteen students. The ages of these students are as fol- lows: one student is 18 years old, two are 20, nine are 22, three are 24, two are 29, and one is 40.
Let X = age of any student (randomly selected). Find the probability mass function for X.

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A college graduate statistics class has eighteen students. The ages of these students are as fol-...