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3. Suppose three (3) cell phones are tested at random. Let D represent the defective cellphone and let N represent the non-defective cellphone. If we let X be the random variable for the number of defective cellphones, identify the a) sample space, b) range space, c) probability mass function, and d) histogram. (9 points) 4. The following are the COVID-19 active cases of Angeles City, Pampanga last July 16, 2022. If X is the random variable to represent, construct the a) probability mass function, and b) histogram. (6 points) AGTIVE CASES IN ANGELES CITY 63 MELT