As shown in the table below that gives the marks distribution in a university class. Find the following probabilities: 1-Marks (60-70). 2-Marks 63. 3-Marks 85. 50-54 55-59 60-64 64-69 70-74 75-79 80-84 85-89 20R 45R 100+N 10-G Marks Frequency 14 15R 16 19+R N: 43 R-NºG G:1

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