What is the probability that no bird is blue

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Reference no: EM13229464

During a walk at the park we spot blue birds and red birds. Suppose each red bird with probability 3/4 and blue birds with probability 1/4. (a) In a collection of 5 randomly selected birds, what is the probability that none are blue? (b) In a collection of 7 randomly selected birds, what is the probability that at least 4 are red? (c) In an ordered sequence of 6 randomly selected birds, what is the probability that we saw exactly 3 blue birds, and the 3rd one occurred in the 6th position?

Reference no: EM13229464

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