2) Every Rational number can be expressed as a .
3) The Rational number 5/-4 and are representing the same point on the number line.
4) The additive inverse of 5/7 is .

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.