What is the explicit formula for this sequence? -17, -21, -25, -29, ...
A. an = (-17) + (n - 114
B. an = (-4) + (n - 1)(-17)
C. an = (-17) + (n - 1)(-4)
D. an = (-33) + (n-1)(-4)

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.