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Maths Puzzle
Numerical Ability
graph on a number line: |x|-3>-1 ; D = {Reals}
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book Other Question
Add the following
(5b^3 - 8b + 2b^2) + (3b^2 - 7b^3 + 5b)
Suppose that an experiment is repeated four times. A certain event has probability 1/10 in a single repetition of the experiment. What is the probability that it occurs at least once?