Please help 12 A senate committee contains 5 Democrats and 4 Republicans. An experiment consists ofrandomly selecting a subcommittee of 3. The random variable X is defined to have as valuethe number of Republicans on the subcommittee. What is Pr(X = 2]?a) 1021b) 5/14c) 9/14d) 11/21e) none of the others

Name: Please help 12 A senate committee contains 5 Democrats and 4 Republica
Uploaded: 2024-03-20T07:07:37.000Z
Channel: Bartleby
Description: Please help 12 A senate committee contains 5 Democrats and 4 Republicans. An experiment consists ofrandomly selecting a subcommittee of 3. The random variable X is defined to have as valuethe number of Republicans on the subcommittee. What is Pr(X =

Given, Number of Democrats=5 Number of Republicans=4 Number of members selected for subcommittee=3 X= The number of Republicans on the subcommittee. X~Binn,p n=3 p=Probability of selecting Republican p=49 The probability mass function is PX=r=Crnpr1-pn-rP(X=2): PX=2=C234921-493-2 =3×1681×59 =240729 Thus, the correct option is Option-e.