While Jen is working the cash register at a grocery store, she notices that 62% of customers use the one-hour of free parking for store customers (customers bring their parking ticket into the store and then the store gives them $2 off their purchase). Assume that customers are independent of each other, and Cleo checks out 150 customers.

What is the expected value for the number of customers who will use the parking?

Expected value = ?Answer to two decimal places as needed.

What is the standard deviation for the distribution of number of customers who will use the parking?

SD =? Answer to two decimal places as needed.