Find the probability of John failed in all the tests. (3 marks)(ii)

) Find the probability of John failed in all the tests. (3 marks)(ii)

John registered for three subjects in this trimester, including Mathematics,History and Economics. He personally feels that the probability for him to pass the Mathematics test (M) is 0.9, History test (H) is 0.6, and Economics (E) test is 0.8 respectively. Assume that the probability he would pass in his test isindependent to each other. (i) Find the probability of John failed in all the tests. (3 marks) (ii) What is the probability that John passed in the Mathematics or Historytest? (3 marks)

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