Calculating the variance
What is the variance of a binomial distribution where 25 coins are flipped, each having a 30% chance of heads?
Ця вправа є частиною курсу
Foundations of Probability in R
Інструкції до вправи
- Calculate this using the exact formula you learned in the lecture: the variance of the binomial is size * p * (1 - p). Print this result to the screen.
- Confirm with a simulation of 10,000 trials.
Інтерактивна практична вправа
Спробуйте виконати цю вправу, доповнивши цей зразок коду.
# Calculate the variance using the exact formula
# Confirm with a simulation using rbinom