In cells J18 and J19, use the information you calculated about the confidence interval for weight to determine the lower and upper bounds for the 95% confidence interval for your prediction of Jim's weight in cell J15. Be sure to reference the confidence interval calculation rather than hard coding it in your calculation.

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.

Ineed someone to me answer my question i have to have this done and knocked out

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms