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(b) Howard will have the Chinese test, English test and Mathematics test soon. The probabilities of passing the test are 0.6, 0.9 and 0.7 for

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(b) Howard will have the Chinese test, English test and Mathematics test soon. The probabilities of passing the test are 0.6, 0.9 and 0.7 for Chinese test, English test and Mathematics test respectively. Correct your answers to 3 decimal places. Find the probability that (i) Howard passes all the tests. (2 marks) (ii) Howard fails all the tests. (2 marks) (iii) Howard passes only one of the tests. (3 marks) (iv) Howard passes only two of the tests.

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