The Committee on Student life at a community college conducted a survey of 145 freshman and sophomores regarding satisfaction with student government. Results of the survey are shown in the table by class rank.

	Freshman	Sophomore	Row Total
Satisfied	57	49	106
Not Satisfied	21	18	39
Column Total	78	67	145

Assume the sample is representative of the entire population. For a survey participant selected at random, compute the following probabilities:

Please leave all answers in fraction form. Please do not reduce the fraction. (For example, if the answer is 5/8 enter it as 5/8.)

P(satisfied) =Answer

P(not satisfied) =Answer

P(satisfied,givenfreshman) =Answer

Are the events "satisfied" and "freshman" independent?AnswerYes No

P(not satisfied,givensophomore) =Answer

Are the events "not satisfied" and "sophomore" independent?AnswerYes No

P(freshmanandsatisfied) =Answer

P(satisfiedornot satisfied) =Answer

Are the events "satisfied" and "not satisfied" mutually exclusive?AnswerYes No