概率问题A fair die is thrown three times.Find the probability of getting at least one even number.A. 1/8B. 3/8C. 5/8D. 7/8麻烦请给出过程,谢谢! 答案 选D要求的是只少有一次偶数的概率.只要用1减去全是奇数的概率就成了.所以是1-(1/2)^3=7/8相关推荐 1概率问题A fair die is thrown...
The events A and B are such that P(A)=0.6, P(B)=0.3 and P(A|B)=0.2. Find the probability that at least one of A and B occurs. 相关知识点: 试题来源: 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】【题目】【题目】【题目】 答案 【解析】...
Find the probability of having at least one child of each sex if you have 3 children. Assume P(boy) = P (girl) = 0.5. Independent or Dependent Events: According to the given problem, we first need to define the random variable, and based on ...
Probability of at Least One Event | Overview & Calculation from Chapter 13/ Lesson 8 434K In this lesson, learn how to find the probability of at least one event occurring. See how to use the ~'at least once~' rule and se...
Find the probability of getting (i) at least one tail (ii) at least one head. View Solution Two coins are tossed simultaneously. What is the probability of getting at least one head? View Solution Two coins are tossed simultaneously. Find the probability of getting exactly one head. View...
A certain part of the country has a 50% chance of rain each day. Find the probability ofat least 6 days of rain in one week. [Show all work.] 相关知识点: 试题来源: 解析 WORK SHOWN: P(at least six days of rain) = WORK SHOWN: P(at least six days of rain) = 反馈 收藏...
When you do not indicate where incident points are possible using this option, the Find Outliers tool will only analyze grid cells that contain at least one point count. When you use this option to define where points are possible, however, the analysis will be done for all grid cells that...
First of all, you have to determine the probability of the event that at least has one possible outcome. For instance, you can determine the possible outcomes of getting heads on a coin because you either get heads or don’t get heads. ...
< Probability and Statistics < Confidence Interval A confidence interval is a range of likely values for a population parameter. It typically contains the estimated parameter, such as a population mean. For example, one U.S. Census Bureau survey of the number of people in poverty stated that ...
When you do not indicate where incident points are possible using this option, the Find Hot Spots tool will only analyze fishnet squares that contain at least one point count. When you use this option to define where points are possible, however, the analysis will be done for all fishnet ...