- Four dice are tossed, what is the probability that the four numbers will be different?

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What forms when propene reacts with HCN? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? Help me to solve the following question!
Find integers x and y such that 57x+79y=17, and 400 Let X1 & X2 have joint pmf p(x1, x2)=(x1x2)/36. 0 otherwise Find joint pmf of Y1=X1X2 and Y2=X2? In equal-tempered tuning the frequency (in Hz) of the note one tone above 220 Hz is...?