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Determine the probability that a female selected at random has a mass below half the mass of a male selected at random.
Mathematics 9709 · AS & A Level · Linear combinations of random variables
Linear combinations of random variables — practice question
For a given species, the masses of female and male animals, measured in kilograms, follow the distributions $N(102, 27^2)$ and $N(170, 55^2)$ respectively.