Have a lot of margin of error 8. The sample will be used to estimate the population mean. A Gallup Poll is done to estimate the percentage of adult Americans who like their jobs. The poll is based on 400 individuals. A university wants to know what percentage of its current 2,500 students want a switch to a 14 week semester.
Every student is polled with a question that's attached to the course registration form.
Many people are asked to flip a fair coin 64 times. Each person calculates the proportion of his or her flips that are heads. Fill in the blanks. A fair die is tossed 1,000 times. A histogram is made showing how often each side is tossed.