The following two-by-two table was created from the data.   TROUBLE STAYING ASLEEP [outcome]   TROUBLE FALLING ASLEEP [predictor] Yes No TOTAL Yes 65 40 105 No 51 110 161 TOTAL 116 150 266 A. What is the sensitivity of the predictor variable for the outcome? B. What is the specificity of the predictor variable for the outcome? C. Is the predictor variable better at ruling in or ruling out the outcome? D. What is the positive predictive value of the predictor variable for the outcome? E. What is the negative predictive value of the predictor variable for the outcome? F. Which predictive value(negative or positive) is higher? G. What proportion of participants have trouble falling asleep and staying asleep? H. What is the prevalence of “Trouble staying asleep” among study participants?

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