【题目】 A fair 6-sided die is rolled twice, What is the proba bility that the sum of the two rolls' outcomes is a pe rfect square? 相关知识点: 试题来源: 解析 【解析】 7/(36) There are 7 out of 36 outcomes are perfect squares: 1+3, 2+2, 3+1, 3+6, 4+5, 5+4, 6+3...
A fair 6-sided die is rolled twice. What is the probability that the first number that comes up is greater than or equal to the second number? 5(E)6 答案 DThere are 36 different ways will happen. If the second die is 1, the first die has 6 ways. If the second die is 2, the...
答案解析: Because each event is independent, the probability does not change for each roll. For a six-sided die the probability of rolling a 3 (or any other number from 1 to 6) on a single roll is 1/6. 统计:共计61人答过,平均正确率59.01% 问题:进入高顿部落发帖帮助...
A fair 6-sided die is rolled four times. What is the probability that die will come up two at least once?Probability of negation:When we are dealing with the probability of a situation which involves "at least", generally it's better to solve for the n...
A fair die is rolled five times. What is the probability of obtaining no 6's? If you roll a 6 sided die 5 times and the first 4 times it comes up 4, what is the probability that the 5th time you roll the die it will come up 4?
A fair 6-sided die is rolled twice. What is the probability that the first number that comes up is greater than or equal to the second number?相关知识点: 试题来源: 解析 D There are 36 different ways will happen. If the second die is 1, the first die has 6 ways. If the second ...
A fair 6-sided die is rolled twice. What is the probability that the first number that comes up is greater than or equal to the second number?( ). A. 16 B. 512 C. 12 D. 712 E. 56 相关知识点: 试题来源: 解析 D 一个均匀的六面骰子被掷两次.则第一次出现之数值大于或等于第二次...
Assume that a fair sixsided die is rolled9times, and the roll is called a success if the result is in{1,2,3}. What is the probability that there are exactly3successes or exactly3failures in the9rolls? There are 2 steps ...
What is the probability of rolling a number less than 6 ? What is the probability of rolling an even number on a six-sided die and then rolling a 4? a) 1/36 b) 1/12 c) 1/5 d) 5/6 If you roll two fair six-sided dice, what is the probabi...
We roll a fair 6-sided die 5 times. What is the probability that we get an odd number in exactly 4 of the 5 rolls? Two dice are rolled, find probability that the sum is equal to 5. Two dice are rolled, find the proba...