In a class of 21 students, 8 have a brother and 16 have a sister. there are 3 students who do not have any siblings. what is the probability that a student who has a sister also has a brother

How many lines can be drawn through points j and k? 0 1 2 3

Need on this geometry question. explain how you did it.

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59