True or False. 1. The sample space is the collection of all
simple events. 2. The total area under a probability distribution
is one. 3. The values in our z-table are areas to the right of a
given z-score. 4. The area under the normal curve to the left of
the mean is 1/2. 5. Probabilities can be negative. 6. The sum of
the probabilities of simple events from the sample space is 1.