Calculating the expected value

What is the expected value of a binomial distribution where 25 coins are flipped, each having a 30% chance of heads?

Это упражнение является частью курса

Foundations of Probability in R

Calculate this using the exact formula you learned in the lecture: the expected value of the binomial is size * p. Print this result to the screen.
Confirm with a simulation of 10,000 draws from the binomial.

Попробуйте выполнить это упражнение, дополнив этот пример кода.

# Calculate the expected value using the exact formula


# Confirm with a simulation using rbinom