Find the probability that one will fall at least once in three rolls. 相关知识点: 试题来源: 解析 p=0.4213$$ P_{1}= \frac{1}{6}\div 0.1667 P_{2}=1-P_{1}=1-0.1667= \frac{5}{6}=0.8333 $$ $$ P_{3}=P_{2}\cdot P_{2}\cdot P_{2}=0.8333.0.8333 \cdot 0.8333= \frac...
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 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!反馈 收藏 ...
If there are 2 children in a family, find the probability that there is at least one boy in the family. View Solution There are two children in a family. Find the probability that at most one boy is there in the family. View Solution ...
In some cases the probability takes account of the specific nature of the test (for example, -type f is assumed to be more likely to succeed than -type c). The cost-based optimiser is currently being evaluated. If it does not actually improve the performance of find, it will be removed...
Given: A couple have six children To find: Probability of at least one of them is a girl. Solution: Since there are 6 children and each...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our expert...
a single throw of a die Similarly, probability of getting an even number Probability of getting an even number three times Therefore, probability of getting an odd number at least once - Probability of getting an odd number in none of the throws - Probability of getting an even number thrice...
Find the probability that a student selected at random has passed at least one examination. View Solution Answer in true or false: p+q=q−p View Solution Recommended Questions Find the probability of guessing at least 6 out of 10 answers in Tru... 03:49 What is the probability of ...
A fair coin is flipped twice.Find the probability of at least one tail. 相关知识点: 试题来源: 解析 since pch)205 P(+)=0.5 HH HT 3/4 Tī TH √ lor 0.5 — 0.25 0.5 H H 一 0.5 T0.25元 1 05 T 0.5 H0.25 0.75 0.5 T0.25 ...
Note that at least 90% of the values are below the 90th percentile of the data set. In other words, the 90th percentile tells you what it takes to be in the top 10%. Let’s look at an example to see how it works in Excel. ...
The cost-based optimiser has a fixed idea of how likely any given test is to succeed. In some cases the probabilitytakes account of(考虑) the specific nature of the test (for example,-type fis assumed to be more likely to succeed than-type c). The cost-based optimiser is currently bein...