Abernoulli process with arrival probability p is split into three branches, with probabilities q1, q2, and q3 respectively (q1 + q2 + q3 = 1). all branches are then merged. find the arrival probability of the merged process. how does it compare to p?

Which of the following parabolas opens down?

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Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.