In a class on 100 students, 80 students passed in all subjects, 10 failed in one subject, 7 failed in two subjects and 3 failed in three subjects. Find the probability distribution of the variable for number of subjects a student from the given class has failed in.
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p(x) is equal to
total no. is 100 in that 80 are passed
100/80 is equal to 20
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