Which expression is equivalent to 2 (-12r - 3) + (42 - })? O
-362 + 1
O
-202 - 6}
O
-302 +3 }
O
-247
2
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.