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QUESTION 5 The number of faulty refrigerators in a batch of production is given by the following distribution. Number of faulty refrigerators (Y) 0 2

QUESTION 5 The number of faulty refrigerators in a batch of production is given by the following distribution. Number of faulty refrigerators (Y) 0 2 3 4 P(Y = y) 0.25 0.14 2c 0.11 c - 0.1 a) Find the value of c. (2 marks) b) Calculate E(3Y- 4)

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