Out of 52 students who had at least one siblings, 29 had at least one sister and 14 had at least one brother and one sister. how many students had at least one brother and no sisters?

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.

Angle a and angle b are both supplementary angles. what must be true about the angles?

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