A utility company in a large metropolitan area finds that 70% of its customers pay a given monthly bill in full. Suppose two customers are chosen at random from the list of all customers. What is the probability that both customers will pay their ?monthly bill in full 0.49 O 0.91 O 0.21 0.70 0.67 O

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Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.