Question: Retired professional tennis players Martina Navratilova, Monica Seles, John McEnroe, and Jimmy Connors are all left-handed. Define the parameter p to be the proportion of professional tennis players (current and retired) who are left-handed. Researchers are interested in the hypothesis that p > .10. (Note: About 10% of the general population is left-handed.)
a. What is the population of interest in this situation?
b. Write the hypothesis in words, being careful to specify the population and the parameter of interest, by completing this sentence: "Researchers are interested in the hypothesis that. . ."