Write the equation, in slope-intercept form, of a line with an undefined slope and an x-intercept of -7. type the equation in the space provided. do not type spaces in your answers. if necessary, use the / key as a fraction bar

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.