QUESTION 3 3.1 The events A and B are mutually exclusive. Suppose P(A) = 0.3 and P(B) = 0.20. a) What is the probability

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Question 3 3 1 The Events A And B Are Mutually Exclusive Suppose P A 0 3 And P B 0 20 A What Is The Probability 1 (78.29 KiB) Viewed 117 times

QUESTION 3 3.1 The events A and B are mutually exclusive. Suppose P(A) = 0.3 and P(B) = 0.20. a) What is the probability of either A or B occurring? (5 marks) b) What is the probability that neither A nor B will happen? (5 marks) 3.2 The aquarium at Sea Critters Depot contains 140 fish. Eighty of these fish are green swordtails (44 female and 36 male) and 60 are orange swordtails (36 female and 24 male). A fish is randomly captured from the aquarium: a) What is the probability the selected fish is a green swordtail? (5 marks) b) What is the probability the selected fish is male? (5 arks) c) What is the probability the selected fish is a male green swordtail? (5 marks) (Total: 25 marks)