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’n Lugredery beweer ’n vlugtyd van 120 minute tussen Kaapstad en Johannesburg. V...

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’n Lugredery beweer ’n vlugtyd van 120 minute tussen Kaapstad en Johannesburg. Veronderstel die vlugtye volg ’n uniforme verdeling tussen 110 minute en 140 minute en dat vliegtuie altyd op die geskeduleerde tyd vertrek. / An airline company claims a flight time of 120 minutes between Cape Town and Johannesburg. Suppose the flight times are uniformly distributed between 110 minutes and 140 minutes and that airplanes always depart on the scheduled time.

 Bereken die waarskynlikheid dat ʼn vlug wat laat aankom, nie meer as vyf minute laat is nie. Neem aan dat ʼn vlug wat langer as 120 minute duur as laat beskou word. / Calculate the probability that the flight that arrives late will be no more than five minutes late. Assume that a flight that takes longer than 120 minutes is considered to be late.

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