Question: Problem 1 (4 points) Difficulty level: easy What is the value of a that makes the function fx(x)= 10* a valid PDF, for x=1, 2,

Problem 1 (4 points) Difficulty level: easy What
Problem 1 (4 points) Difficulty level: easy What is the value of a that makes the function fx(x)=" 10* a valid PDF, for x=1, 2, 3, 4,...? Hint: You will need to use the formula for the sum of infinite geometric series

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