Express the probability that a die wil land on a number less than 5 as a fraction

Can someone me i’m confused. will give brainliest and a whole bunch of points

When y’all answer can y’all explain too !

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%