Alaser beam is transmitted with a "width" of .0008 degrees and
makes a circular spot of radius 2.50 km on a distant object. how
far is the object from the source of the laser beam?

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.