Given (−4, 8) and (−12, 7), find the component form of the vector ⃗⃗⃗⃗⃗ . a) 〈−16,−1〉 b) 〈−8,−1〉 c) 〈8, 1〉 d) 〈−8, 1〉

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.