{eq}P(A)=0.55 {/eq} and {eq}P(B|A)=0.79 {/eq} P(A and B) = ___? Probability: The term probability can be defined as the fraction of the possible or likely outcomes divided by the total number of outcomes. It always lies the range between zero to unity...
What is the probability that either A or B but not both will occur? The probability of A occurring is .3 and the probability of B occurring is .5. What is the probability of both A and B occurring if A and B are mutually exclusive?
解析 P(A∪ B)=P(A)+P(B)-P(A∩ B)=0.6+0.3-0.06=0.84.结果一 题目 【题目】T he events A and B are such that P(A)=0.6,P(B)=0.3 and P(A|B)=0.2. Find the probability th at at least one of A and B occurs. 答案 【解析】 P(AUB)=P(A)+P(B)-P(A∩B). =0.6+0.3...
The conditional probability is the calculation of the event’s A probability, given that event B has occurred. The probability of an event formula to define the conditional probability of A and B is: P(A|B) = P(A∩B) P(B).
Solve.1) A number is chosen at random from 1 to 10. Find the probability of selecting number 4 or smaller numbers.252)Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. What is the probability of selecting a green marble at random ...
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If {eq}E(X) = 2/3 {/eq}, find {eq}a {/eq} and {eq}b {/eq}. Probability Density Function: In this question, we will use the concept of probability density function of a random variableX. The density function is used when...
百度试题 结果1 题目 7) A speaks truth in 80% of the cases and B speaks truth in 60% of the cases. Find the probability that they contradict each other in narrating an incident. 相关知识点: 试题来源: 解析 11/25 反馈 收藏 ...
Probability:Probability can be defined as the ratio of a favorable number of outcomes and the total number of outcomes. The range of probability is 0 to 1. When a certain event is not possible to occur, then it has the probability of 0 and if the certain event is possib...
百度试题 结果1 题目(b) Find the probability that exactly 3 throws are required to obtain a pair of tails.[1] (=0.142) 相关知识点: 试题来源: 解析 9/(64)(=0.141) 反馈 收藏