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इंजीनियरों की उनके आवास से कार्य-स्थल की...

इंजीनियरों की उनके आवास से कार्य-स्थल की (किलोमीटर में) दूरियाँ ये है : `"5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12"`
इसकी आनुभविक प्रायिकता क्या होगी कि इंजीनयर
(i) अपने कार्यस्थल से से 7 km कम दूरी पर रहता है?
(ii) अपने कार्यस्थल से 7 km या इससे अधिक दूरी पर रहता है?
(iii) अपने कार्यस्थल से `(1)/(2)` km या इससे कम दूरी पर रहता है?

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