Does the construction demonstrate how to copy a segment correctly by hand? Yes; the compass was kept at the same width as segment AB to create the arc from point C.
Yes; a straightedge was used to create ray C.
No; the compass was not kept at the same width as segment AB to create the arc from point C.
No; a straightedge was used to create ray C.

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.