A researcher wants to study people who are very jealous. She believes that jealousy is normally distributed. She uses a jealousy scale that has a mean of 75 and a standard deviation of 25. She administers the jealousy scale as a screening device to a large group of people. For her study, she will only select people with scores of 125 or higher. How many people will she need to screen in order to end up with 50 people in her sample?