英语求翻译 is that a coincidence or arranged to be?

排列组合 Flipping a fair coinFlipping a fair coin.Assume that the coin is flipped 7 times.What is the probability that both heads and tails occur?Thank you~ 英语牛人 请帮忙翻译,谢谢!One thousand and one pennies are arranged in a row on a table. Every second coin isreplaced with a nickel. Then every third coin is replaced with a dime. Finally, every fourth coin is replaced with a quarter. What 英语数学题,有关概率的independent eventConsider the following experiments and events:(i)A fair coin is tossed 5 times.E is the event that the first toss is heads.F is the event that the third toss is tails.(ii)A fair coin is tossed 3 times.E Jeff is flipping a coin,what is the probability that he will throw heads on each of the tow flips 英语求翻译 is that a coincidence or arranged to be? The intrinsic value of a coin is the value of the metal it is made of.怎么翻译啊? I think this is the oldest coin ___ I have ever seen.A.which B.who C.what D.that sat2 A two-sided coin is flipped four times.Given that the coin landed heads up more than twice,what is the probability that it landed heads up all four times?答案是1/5why 英语阅读理解 首字母A 112-year-old coin making f_1__ in Austrailan has made the b_2__ and most valuable new coin in the world!It has also broken the world record for the largest gold coin.The coin w_3__ one ton and it is made up of 99.99% gol 英语翻译僵尸尖叫任务求翻译 play a game with the coin cars item from the market 英语翻译When faced with two choices,simply toss a coin.It works because in that brief moment with the coin is in the air,you suddenly know what you are hoping for. 翻译：She's placing a coin in the slot The China Coin 翻译 debased coin怎么翻译 that is a plus 啥意思啊求翻译,.. Here is a coin to you.哪里错了? 投硬币的概率问题A coin is tossed 10 times.What is the probability that the third head will appear on the tenth toss? coin a phrase