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प्रश्न
Choose the correct alternative:
A pair of dice numbered 1, 2, 3, 4, 5, 6 of a six-sided die and 1, 2, 3, 4 of a four-sided die is rolled and the sum is determined. Let the random variable X denote this sum. Then the number of elements in the inverse image of 7 is
विकल्प
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उत्तर
4
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संबंधित प्रश्न
Suppose error involved in making a certain measurement is continuous r.v. X with p.d.f.
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