Are the following statements true or false?

1.The population is all of the United States citizens that are voting age. Selecting a random sample of people in California would be a representative sample.

2. To determine how data collected from a sample applies to the entire population of interest involves the use of inferential statistics.

3. A psychological test with high reliability can be expected to produce scores that are consistent over time. 4. A random variable is a numerical value representing the outcome of a probability experiment. 5. Given a bell-shaped and symmetric distribution, we expect the observed value of X to be within three standard deviations of the expected value about 99.7% of the time.