A. Express the original claim in symbolic form.
B. Identify the null and alternative hypotheses.
Claim: 20% of adults smoke. A recent Gallup survey of 1016 randomly selected adults showed that 21% of the respondents smoke.
White Blood Cell Count Claim: For adult females, the mean of their white blood cell counts is equal to 8.00. The random sample of 40 adult females in Data Set from appendix B has white blood cell counts with a mean of 7.15 and a standard deviation of 2.28.(The population standard deviation o is not known.)
Tennis Instant Replay The Hawk-Eye electronic system is used in tennis for displaying an instant replay that shows weather a ball is in bounds or out of bounds so a player can challenge calls made by referees.