A、happening within a country or an organization
B、inside one’s body
C、existing in one’s mind
D、null
【判断题】From this figure, we can see that the horizontal projection and the profile projection of the intersection of the external cylindrical surface and the internal cylindrical surface are both in the circles in the top view and the left-side view.
An insurance company believes that people can be divided into two classes: those who are accident prone and those who are not. The company's statistics show that an accident-prone person will have an accident at some time within a fixed 1-year period with probability 0.3, whereas this probability decreases to 0.1 for a person who is not accident prone. If we assume that 20 percent of the population is accident prone, what is the probability that a new policyholder will have an accident within a year of purchasing a policy?
A、0.10
B、0.12
C、0.14
D、0.16
A、reporting
B、overrate
C、fact
D、may
A.see
B.reckon
C.distinguish
D.sense
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