hi, how would I go about this?

Reports have shown that 75% of individuals edit photos of themselves before posting them on social media. You take a random sample of 450 individuals in an effort to study the number of people who edit their photos before sharing them online. What is the mean of the corresponding normally approximated distribution for this binomial experiment? O A. 337.50 O B. 84.38 O C. 450.00 D. 225.00