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Students of a class were given a mathematical aptitude test. Their marks were found to be normally distributed with mean 60 and S.

By Eden

Students of a class were given a mathematical aptitude test. Their marks were found to be normally distributed with mean 60 and S.D. 5. What percent of student scored.
(i) More than 60 marks
(ii) less than 56 marks
(iii) Between 45 and 65 marks.

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Eden


13. 2025 plants are to be planted in a garden in such a way that each row contains as
many plants as the number of rows

एक ट्रेन 75 किलोमीटर की रफ्तार से चल रही है ट्रेन की पुनः मिनट में कितना दूरी होती कम करेगी ​

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