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Practice question

MCQ

Question

In an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one negative value in five trials is

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Choose one · Correct answer highlighted

Explanation

Think of it like this: p=0.5, n=5. P(at most 1 negative)=P0+P1= C5,0(0.5)^5+C5,1(0.5)^5=1/32+5/32=6/32=3/16. Full.

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