A committee has nine members. There are two members that currently serve as the board's chairman and vice chairman. Each member is equally likely to serve in any of the positions. Two members are randomly selected and assigned to be the new chairman and vice chairman. What is the probability of randomly selecting the two members who currently hold the positions of chairman and vice chairman and reassigning them to their current positions? The probability is (Round to four decimal places as needed.)

A committee has seven members. There are three members that currently serve as the board's chairman, ranking member, and treasurer. Each member is equally likely to serve in any of the positions. Three members are randomly selected and assigned to be the new chairman, ranking member, and treasurer. What is the probability of randomly selecting the three members who currently hold the positions of chairman, ranking member, and treasurer and reassigning them to their current positions? The probability is. (Round to four decimal places as needed.) ←

A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10 Chocolate​ bars, and 40 Rocky Road bars. If one bar is selected at random from the​ cooler, determine the probability that the bar selected is Vanilla​, Chocolate​, or Rocky Road.

A = 11 B = 2 C= 2 D = 0 F = 1 105, 82, 94.5, 72.5, 92, 91, 52, 86, 100, 96, 98, 109, 96, 98, 95, 72