22 customers are eating dinner at an Italian restaurant. Of the 22 customers, 18 order pizza, 10 order a salad, and 8 order pizz
a and a salad. Using this information, answer each of the following questions.\ Let A be the event that a randomly selected customer orders pizza and B be the event that a randomly selected customer orders a salad.
What is P(A), the probability that a customer orders pizza?
What is P(B), the probability that a customer orders a salad?
What is P(A and B), the probability that a customer orders pizza and a salad?
What is P(A or B), the probability that a customer orders pizza or a salad?
9 x² + 16 y² = 144 /:144 General formula of ellipse ( the center is at the origin ): a² = 16, b² = 9 Domain: [-a, a ] = [-4, 4] Range:[-b, b ] Answer: B ) ellipse. Domain: { -4 ≤ x ≤ 4 } Range: { -3 ≤ y ≤ 3 }
