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Question 9
4 poin
The probability of student passing the tests of math is 60% English is 70%. Find the probability of the student passing at least one subject.
1.0.72
2.0.88
3.0.57
10 4,0.12
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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends > a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

What legislation increased the ability for federal authorities to tap telephones and wireless devices, tightened the enforcement of money laundering activities, as well as broadened powers toward acts of terrorism and acts such as drug trafficking?

Apopular low-cost airline, parson corp., has gone out of business. although the service and price provided by the airline was what customers wanted, the larger airlines were able to drive the low-cost airline out of business through an aggressive price war. which component of the competitive environment does this illustrate?