Watching Fireworks A survey found that 21% of Americans watch fireworks on television on July 4. Find the mean, variance, and standard deviation of the number of individuals who watch fireworks on television on July 4 if a random sample of 1000 Americans is selected.

Chapter 5: Short Term Working Memory Working Memory I. Short term memory can usually hold about 7 +/- 2 items A. Broken into chunks of information (ex: phone numbers are 7 digits and chunked) 1. Recoding: reduces the number of units held in STM by increasing the richness of each unit B. Cowan said 4 +/- 1...