PLEASE HELP!! If the probability of an event happening is 0.45.
What is the probability of the event NOT happening?
0.55
0.50
0.65

Which of the following is the formula for the sequence graphed below

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

You draw a card at random from a deck that contains 33 black cards and 77 red cards.