Max and Stephen are at a restaurant and will each order either a burger or a pizza. The probability Max orders a burger is 0.6 (i.e. 60%). The probability that Stephen orders a pizza is 0.5. The probability that both Max and Stephen order a burger is 0.34. Answer the following questions.
Hint: Let M be the event that Max orders a burger and S be the event that Stephen orders a burger.
Calculate the probability that either Max or Stephen (or both) orders a burger.