ALL number 4 please ToolsWindowHelpGoQAl_-_Book-2.pdfPage 345 of 6864 A supermarket uses two suppliers, C andD, of strawberries. Supplier C supplies70% of the supermarket's strawberries.Strawberries are examined in a qualitycontrol inspection (QCI); 90% of thestrawberries supplied by C pass QCI and95% of the strawberries from D pass QCI.A strawberry is selected at random.a Find the probability that the strawberrypasses QCI.b Given that a strawberry passes QCI,find the probability that it came fromsupplier D.c In a sample of 2000 strawberries, findthe expected number of strawberriesthat would fail QCI.d The supermarket wants the probabilitythat a strawberry passes QCI to be 0.93.Find the percentage of strawberries thatshould be supplied by D in order toachieve this.

Name: ALL number 4 please ToolsWindowHelpGoQAl_-_Book-2.pdfPage 345 of 6864
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Description: ALL number 4 please ToolsWindowHelpGoQAl_-_Book-2.pdfPage 345 of 6864 A supermarket uses two suppliers, C andD, of strawberries. Supplier C supplies70% of the supermarket's strawberries.Strawberries are examined in a qualitycontrol inspection (QCI);