a tech support manager ran virus detection software on a random sample of 750 computers. the software identified that 200 of the computers had a virus. to the nearest percent, what is a good estimate of the percentage of all computers at this company that have a virus? enter your answer in the box.

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.