Mathematics, 12.05.2021 21:40 kay8739

91 POINTS PLEASE HEL Of the students buying tickets for the high school drama production, 0.1 are 14 years old, 0.2 are 15 years old, 0.3 are 16 years old, 0.3 are 17 years old, and 0.1 are 18 years old. What is the expected value of the age of a student ticket-holder?

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91 POINTS PLEASE HEL Of the students buying tickets for the high school drama production, 0.1 are 1...