Which equation could be used to find the area of a circle with a diameter of 8 feet? Select the best answer from the choices provided. OA 8 x P OB 4 x P OC 64 x OD 16 x P​

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.