In triangle abc shown below, side ab is 8 and side ac is 6: which statement is needed to prove that segment de is half the length of segment bc? a. segment ad is 3, and segment ae is 4. b. segment ad is 3, and segment ae is 6. c. segment ad is 4, and segment ae is 6. d. segment ad is 4, and segment ae is 3.

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.