Random Sampling vs. Simple Random Sampling Recall: In a Random Sample, members from the population are selected in such a way that each individual member in the population has an equal chance of being selected. But a Simple Random Sample is a sample of n subjects selected in such a way that every possible sample of the same size n has the same chance of being chosen. Random Scenario Sampling? An education expert is researching teaching methods and wishes to interview teachers from a particular school district. She randomly selects ten 1 schools from the district and interviews all of the teachers at the selected schools. A psychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. She 2 randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. A computer company employs 100 software engineers and 100 hardware engineers. The personnel manager randomly selects 20 of the software 3 engineers and 20 of the hardware engineers and questions them about career opportunities within the company. The personnel manager at a company wants to investigate job satisfaction among the female employees. One evening after a meeting she talks to all 30 female employees who attended the meeting. A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained. They then call these 100 people. A researcher obtains an alphabetical list of the 2560 students at a college. She uses a random number generator to obtain 50 numbers between 1 and 2560. She chooses the 50 students corresponding to those numbers. An electronics store receives a shipment of eight boxes of calculators. Each box contains ten calculators. A quality control inspector chooses a box by putting eight identical slips of paper numbered 1 to 8 into a hat, mixing thoroughly and then picking a slip at random. He then chooses a calculator at random from the box selected using a similar method with ten slips of paper in a hat. He repeats the process until he obtains a sample of 5 calculators for quality Control testing