The raidus of circle p the larger circle is 7 times the radius of circle 0 the smaller circle. what is the ratio of the area of circle to the area of circle p?
your choices are: 1 to 7, 7 to 1, 49 to 1 , 1 to 49
plz explain

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.