One thousand persons screened for a certain disease are given a clinical exam. As a result of the exam, the sample of 1000 persons is classified according to height and disease status.

Disease Status Height None Mild Moderate Severe Total Tall 122 78 139 61 400 Medium 74 51 90 35 250 Short 104 71 121 54 350 Total 300 200 350 150 1000 Use the information in the table to estimate the probability of being medium or short and of having moderate or severe disease status.