To celebrate the opening of a new store, when a customer gets to the register, they get to spin a prize wheel that is equally divided into 4 parts. Depending on what part the customer lands on, they win either a 10%, 20%, 30%, or 50% discount on their entire purchase.

What is the probability that at least 3 of the first 5 customers win a discount of at least 30%

Answer:Step-by-step explanation: