You read an article that says, "44% of mobile internet users are on their devices while watching TV."
Which of the following does not provide a good estimate of this number?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

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Which of these tools or constructions is used to inscribe a hexagon inside a circle?