EXAMPLE 8.1

Robotics and jobs. A Pew survey asked a panel of experts whether or not they thought that networked, automated, artificial intelligence (AI), and robotic devices will have displaced more jobs than they have created (net jobs) by 2025.²

The sample size is the number of experts who responded to the Pew survey question, n = 1896. The report on the survey tells us that 48% of the respondents said they “believe net jobs will decrease by 2025 due to networked, automated, artificial intelligence (AI), and robotic devices.” Thus, the sample proportion is We can calculate the count X from the information given; it is the sample size times the proportion responding Yes,