lassify the following (quantitative) random variables according to whether they are discrete or continuous. 1. The number of violent crimes committed per month in your community. 2. The amount of flu vaccine in a syringe. 3. The number of bacteria in a glass of water. 4. The number of registered voters who vote in a national election. 5. The number of commercial aircraft near-misses per month. 6. The difference in reaction time to the same stimulus before and after training.