(Solved): Twenty percent of the students in a class of 100 are planning to go to graduate school. The standar ...

Twenty percent of the students in a class of 100 are planning to go to graduate school. The standard deviation of this binomial distribution is 20. 16. 4. 2. Question 26 2 pts The symbol \( \sigma \) is used to represent the variance of the population. the standard deviation of the sample. the standard deviation of the population. the variance of the sample.