Marks obtained by 90 students in a particular subject out of total of 100 are given then find the probability - Maths - Data Handling

Question

Marks obtained by 90 students in a particular subject out of total
of 100 are given then find the probability that a student selected
obtained marks 60 or above and a student selected obtained less
than 40

Sarah Abid Hussain · Answer

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Marks obtained by 90 students in a particular subject out of total of 100 are given then find the probability that a student selected obtained marks 60 or above and a student selected obtained less than 40