Check each binomial distribution to see whether it can be approximated by a normal distribution (i.e., are np 5 and nq 5?). a. n 20, p 0.5 d. n 50, p 0.2 b. n 10, p 0.6 e. n 30, p 0.8 c. n 40, p 0.9 f. n 20, p 0.85 4. School

STAT 2004 Week 2 Lecture 4 Wed. 01/25/17 Causation: one variable causes or creates the change in another variable Simple random sample: all observations in the sample have equal chance of being selected Survey question: what is your weight (asking football team) Create a sample frame: list of all potential...