80% of employees who receive a promotion have a Bachelor's degree, while the other 20% have an Associate's degree. 10 newly promoted employees were randomly selected to receive additional training: A. This is a binomial distribution problem, tell me why it meets the criteria by using the requirements. B. Find the probability that exactly 5 do not have a Bachelor's degree. C. Find the probability that at least 2 employees selected do not have a Bachelor's degree. HR would like to ensure that at least 2 training spots are reserved for employees would Associate degrees...should the HR manager be concerned about the probability of this occurring? D. Calculate the expected value (how many do we expect to have a Bachelor's degree in the training program) and standard deviation. Regina's Hair Salon had 36 walk-in customers yesterday. The salon is open 8am-8pm, which corresponds to an average of 3 walk-in customers per hour. (Use Poisson) A. What is the probability that only 1 customer will walk between 2pm and 3pm (one hour)? B. Regina needs a minimum of 2 walk-in customers per hour to be making a profit. What is the probability that that 2 or more customers will walk in during any given hour? C. If 4 or more walk-in customers come during any particular hour, customers will end up waiting for the hairdresser. What is the probability that a customer will have to wait