In a STA215 class there are four students who are sometimes late from class. P(Matt on time)=.9, P(Zach on time)=.8 P(Greg on time)=.6, P(Alex on time)=.5 What is the probability that at least one of...

In a STA215 class there are four students who are sometimes late from class.
P(Matt on time)=.9, P(Zach on time)=.8 P(Greg on time)=.6, P(Alex on time)=.5

What is the probability that at least one of them is late from class?

Write your answer as a decimal rounded to 3 digits.