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11.11.2019 •
Mathematics
20 deaths for every 10 million people who use airplanes. a company that sells insurance provides $100,000 in case of a death on the airplane. a policy cost $1. calculate the expected value and how much the company can make in the long run for each policy it sells
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Ответ:
The diameter of a circle is a segment that connects two points on the circumference and passes through the center.
So, OC, OB and OD are not diameters because O and C don't lie on the circumference.
BD is a diameter, because B and D lie on the circumference, and BD passes through the center.