Question: Suppose that a mathematician said that it is impossible to
Suppose that a mathematician said that it is impossible to obtain a simple random sample from a real-world population. Therefore, the whole basis for applying statistical procedures to real problems is useless. How would you respond?
Answer to relevant QuestionsA company wants to estimate the proportion of people who are likely to purchase electric shavers from those who watch the nationally telecast baseball playoffs. A random sample obtained information from 120 people who were ...An employee survey conducted two years ago by Rice Motors, Inc., found that 53% of its employees were concerned about future health care benefits. A random sample of 80 of these employees were asked if they were now ...Monthly rates of return on the shares of a particular common stock are independent of one another and normally distributed with a standard deviation of 1.6. A sample of 12 months is taken. a. Find the probability that the ...Each member of a random sample of 15 business economists was asked to predict the rate of inflation for the coming year. Assume that the predictions for the whole population of business economists follow a normal ...In a particular year, the percentage rates of return of U.S. common stock mutual funds had a normal distribution with a mean of 14.8 and a standard deviation of 6.3. A random sample of nine of these mutual funds was ...
Post your question