What is the greatest common factor of x²(x+y)(x-_z) and x(x-_y)(x-_z)? a. xb. (x-_z) c. x²(x-_z) d. x(x-_z)

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.