Here are all the solutions
Let me know if you need any clarifications on my answers. I will be happy to provide them.
This is what the my teacher said about the first set of questions can you fix it and also explain the answers to the other questions. Should I except the answers now or wait for you to finish I will accept now if you like.
Okay. You have made a great start on these problems. #1 is correct. A short-cut estimate for this can be derived from the Empirical rule to give 95%. The Empirical rule is handy for checking that answers are reasonable. For #2, the answer is correct. However, for full credit, remember to include a couple lines to explain your reasoning and the key steps or ideas used to derive the answer. For instance, since the table gives areas to the left of a given z value, how did you find the answer?
Yes, thanks for it.
Please let me know what help you need.
Here are the solutions
I hope that helps. Let me know if you need any clarifications on my answers. I will be happy to provide them.