Answer:
Step-by-step explanation:
Another way of phrasing this question is this; if only two bills are selected without replacement, what is the probability that at one of the two bills will be a $10 bill:
P(One $10 bill) = P(picking a $10 bill first then another type) + (picking another
type then a $10 bill)
=
Hi I'm new to this website so I wanted to comment that I'm having the same complication with that exact same problem