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Correct! Correct! Correct! Let the random variable X be the number of days that a certain patient needs to be in the hospital. Suppose X has the following pmf. What is the variance of the random variable, X? (Give the answer in decimal form rounded to the nearest tenth, i.e., 0.1.) 1 (with margin: O) Question 2 0.25 / 0.25 pts Continuing from the previous exercise... What is the standard deviation of the random variable, X? (SR GEERSYE R Re et RtelnnRteSlale [Sle Ao RilcRalcE It MucIaln AN RO ) 1 (with margin: O) Question 3 [OWEWAWEY ]S Continuing from the previous exercise... If the patient is to receive $200 from an insurance company for each of the first two days in the hospital and $100 for each day after the first two days, what is the variance of the random variable measuring payment for the hospitalization? (CIVER G SISV (o]0 ale[le BTN alNalEIfSS MIpISI(SIM)