概率(Probability)
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相似题目
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风险不仅是损失的概率分布,也体现了盈利的概率分布,因此风险是收益的概率分布。()
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如果沪深300指数以0.62的概率上升,以0.38的概率下跌;在同一时间间隔内香港恒生指数能以0.65的概率上升,以0.35的概率下跌;再假定两个指数同时上升的概率为0.4。问沪深300指数或香港恒生指数上升的概率是()。
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预计健康风险时,所需数据包括()。 (1)生存概率 (2)发病概率 (3)生病时的医疗费用 (4)疾病致死概率
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概率极限状态设计法又称近似概率法,是用概率分析方法来研究 结构的可靠性。结构能够完成预定功能的概率称为可靠概率Ps;不能完成预定功能的概率称为失效概率Pf。
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These reactions increase the probability of incomplete combustion and are more likely to()uncombusted and photochemically active hydrocarbon compounds into the atmosphere.
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The fitting of an efficient radar reflector is likely to considerably increase the ship’s probability of().
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应用逻辑判断来确定每种可能的概率的方法适用于古典概率或先验概率。
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假设某中奖概率为10%,则20张都不中奖的概率比1张中奖的概率大。
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Risk event probability is defined as:
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Using the diagram in the Special window, what is the probability that Alternative I will be adopted and completed below budget:
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项目需购买一项资产,投入 50 万,50%的概率能收入 100 万元,20%的概率能收入200 万元,15%的概率能收入 250 万元,10%的概率不赚不赔,5%的概率亏损 500 万元。则投资这项资产的投资回报为()万元。
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A bag contains 6red marbles, 5yellow marbles, and 7green marbles. How many additional red marblesmust be added to the 18marbles already in the bag sothat the probability of randomly drawing a red marble is 3/5?
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What is the probability of selecting an executive who would not remain with the company, given that he or she has more than 10 years of service?
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A.在一次试验中,小概率的事件发生了,统计上,就把它认为是不可能发生。下这个结论,可能错误的概率就是这个小概率大小,但结论正确的可能是比较大的。B.小概率事件一定不会发生。C.小概率事件根本不存在。D.小概率事件经常发生。
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某只股票今天上涨的概率为34%,下跌的概率为40%,那么该股票今天不会上涨的概率是()
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Shortfall risk is best described as the probability:
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A fund manager would like to estimate the probability of a daily loss higher than 5% on the fund he manages. He decides to use a method that uses the relative frequency of occurrence based onhistorica
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Psychologist Atkinson believes that people who are motivated to succeed tend to choose tasks with a probability of success of_()
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统计决策法Statistical decision method 使用序贯概率检测(SPRT)的方法对实测的压力、流量进行分析,计算连续发生泄漏的概率,并利用最小二乘法进行泄漏点定位。The measured pressure and flow rate were analyzed with the method of sequential probability detection (SPRT), the probability of continuous leakage was calculated, and the least square method was used to locate the leakage point. 缺点:对仪器的要求比较高Disadvantages: high requirements on instruments
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The amount of time necessary for assembly line workers to complete a product is a normal random variable with a mean of 15 minutes and a standard deviation of 2 minutes. The probability is__ that a pr
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By definition, the probability of any event, E, is a number between:
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甲乙两人射击。甲击中的概率为0.8,乙击中的概率为0.7,两人同时射击。并假定中靶与否是独立的。求(1)两人都中靶的概率;(2)甲中乙不中的概率;(3)甲不中乙中的概率。
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有了初始概率和转移概率矩阵就可以推算出任意状态的概率()
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使用下面的命令配置 WRED,其中提供了四个参数, 【RTA-Serial0】qoswredip-precedence9 low-limit 30 high-limit 60 discard-probability 100 (其中 9, 30, 60, 100 为配置的参数),请指出设置肯定不正 确的参数是()
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