4.4.1-8 In a smoking survey among men between the ages of 25 and 30. 63% prefer to date nonsmokers, 1396 prefer to date
Posted: Mon Apr 11, 2022 6:19 am
4.4.1-8 In a smoking survey among men between the ages of 25 and 30. 63% prefer to date nonsmokers, 1396 prefer to date smokers, and 24% dont care. Suppose nine such men are selected randomly. Let X equal the number who prefer to date nonsmokers and Y equal the number who prefer to date smokers. (a) Determine the joint pmf of X and Y. Be sure to include the support of the pmf. (b) Find the marginal pmf of X. Again include the support.