A carpenter uses a scale drawing of a house to aid his construction. If he uses a scale of 1 inch = 4 feet , what is the length, in inches , of a line on the scale drawing that represents 6 feet as an actual length

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Pls! does anybody know a shortcut for answering these types of questions in the future?