A website that sells movie tickets can tell what devices are used to access their site and make purchases. The manager of the we
bsite is approached by members of a movie production company who want to partner in the development of a phone app. To estimate what proportion of ticket buyers make purchases using their smart phones, 400 users of the website were randomly sampled from the existing database and 180 were found to have used their smart phones.
The scale is 8m for every 2 in and the actual area is 144m2 so we need to covert that into inches. You divide 144 by 8 which = 18 and then multiply 18 x 2 which is equal to 36.
