Question: How do I solve this? Suppose X is a random variable with density function [r]. Suppose f; [.r] is (1 outside [3. 11] and decreasing

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![with density function [r]. Suppose f; [.r] is (1 outside [3. 11]](https://s3.amazonaws.com/si.experts.images/answers/2024/06/66648f18de46d_26466648f18ca214.jpg)
Suppose X is a random variable with density function [r]. Suppose f; [.r] is (1 outside [3. 11] and decreasing on [3* 111. Is EIX] greater or less than 7? Explain
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