Type the correct answer in each box. round your answers to the nearest thousandth
a company has 200 machines. each machine has 12% probability of not working.
the probability that all would be
if you were to pick 40 machines randomly, the probability that i would not be working is
working is
and the probability that at least one machine would be working is
reset
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Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.