Mathematics, 20.11.2020 14:00 meme2186
1. Invoices are prepared by Shanty, Jenny and Sherry. A sample of 500 invoices are selected. Two hundred were prepared by Shanty, 120 by Jenny and 180 by Sherry. The error rates of Shanty, Jenny and Sherry were found to be 2%, 3% and 4% respectively. From the sample of 500 invoices, one invoices was selected. a. Sketch a Tree Diagram based on the information given in the question. b. Compute the probability that invoice contains error?
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1. Invoices are prepared by Shanty, Jenny and Sherry. A sample of 500 invoices are selected. Two hun...
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