More than 200 police of 540,000 and students people than 50,000. Selected corporations have mean salaries more large selected employees of 520,000. We want to know the probability that a randomly selected corporation has employees with salaries more than 40,000 and a standard deviation of 20,000. We want to know the probability that the average of ten randomly selected employees has a mean of 40,000 and a standard deviation of 20,000. We want to know the probability that a randomly selected corporation has employees with salaries more than 50,000. What is the probability that if we select 20 members randomly, 18% or more of them think the president should be deposed? The club has 5,000 members, 1,000 of which think the president should be deposed. What is the probability that if we select 91 members randomly, 18% or more of them think the president should be deposed?
Questions 26-27: Recent studies have shown that 20% of Americans fit the medical definition of obese. A random sample of 100 Americans is selected and the number of obese in the sample is determined.
26. What is the sampling distribution of the sample proportion? P~N(10, 0.2) ~N(2, 1.27) p~N(0.2,0.04) Cannot be determined.
What is the probability that the sample proportion is greater than 0.247? 0.1841 0.1587 0.8413