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Full working 8) Rita's toy factory produces toys for toddlers that are packed into boxes. Each box contains 10 toys. A box of toys randomly

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8) Rita's toy factory produces toys for toddlers that are packed into boxes. Each box contains 10 toys. A box of toys randomly selected by the company's production manager found 45% of all toys packed in the boxes are defective. Use the above information and your knowledge of binomial probability to answer the following questions. a) Calculate the mean and standard deviation. ( 2 marks) b) Find the probability that there are at least 8 defective toys in the box. (4 Marks)

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