Answer :
Trey randomly selects one card from a standard 52-card deck.
The probability that Trey's card will be a heart or a black-suited card is [tex]\(0.75\)[/tex], because the set of hearts and the set of black-suited cards are disjoint sets.
The probability that Trey's card will be a heart or a black-suited card is [tex]\(0.75\)[/tex], because the set of hearts and the set of black-suited cards are disjoint sets.