Abuilder of airport terminals will win a contract for construction of terminals in city a with a probability of 0.40; the probability that it will win a contract in city b is 0.30. the company has a 0.10 chance of winning the contracts in both cities. (a) what is the probability that the company will winat least one of these two cities? (b) are the events “wins contract for anaheim” and “wins contract for bakersfield” independent? explain why or why not.

Adamson company manufactures four lines of garden tools. as a result of an activity analysis, the accounting department has identified eight activity cost pools. each of the product lines is produced in large batches, with the whole plant devoted to one product at a time. classify each of the following activities or costs as either unit-level, batch-level, product-level, or facility-level. activities (a) machining parts. (b) product design. (c) plant maintenance. (d) machine setup. (e) assembling parts. (f) purchasing raw materials. (g) property taxes. (h) painting.

Noah met an old friend at a coffee shop. he jotted down the friend's new phone number, but later that afternoon he could not find it or remember what he had done with it. a couple of days later, noah went back to the coffee shop, and while waiting in line, he suddenly remembered where he had put the phone number. this is an example of:

Which is the most compelling reason why mobile advertising is related to big data?