In this task, you need to provide the correct option for a given problem on probability from the provided options.
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Question: Problem: there are 13 boys and 10 girls in a class . if three students are selected at random , in how many ways that 1 girl or 2 boys are selected ?
Options: a ) 88 , b ) 90 , c ) 92 , d ) 96 , e ) 98

Answer: a

Question: Problem: how many different ways can 2 students be seated in a row of 8 desks , so that there is always at least one empty desk between the students ?
Options: a ) 50 , b ) 42 , c ) 24 , d ) 20 , e ) 12

Answer: b

Question: Problem: what is the probability of getting exactly 2 heads in a single throw of five fair coins ?
Options: a ) 1 / 4 , b ) 3 / 8 , c ) 3 / 16 , d ) 5 / 16 , e ) 11 / 32

Answer:
d