3位枪手命中率分别是80%、60%和40%，互相开枪，谁存活率高？
3:34
3位枪手命中率分别是80%、60%和40%，互相开枪，谁存活率高？
已浏览 27.2万 次2024年7月7日
bilibilicastelu
Kärcher Vacuum sweeper KM 75/40 W Bp Pack
2:46
Kärcher Vacuum sweeper KM 75/40 W Bp Pack
2022年2月22日
kaercher.com
Selling Sunset's Mary reveals Davina’s $75million house still hasn’t sold
Selling Sunset's Mary reveals Davina’s $75million house still hasn’t sold
2021年4月1日
MetroRishma Dosani
There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and the third is also a biased coin that comes up tails 40% of the time. One of the three coins is chosen at random and tossed and it shows heads. What is the probability that it was the two-headed coin? | Shaalaa.com
There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and the third is also a biased coin that comes up tails 40% of the time. One of the three coins is chosen at random and tossed and it shows heads. What is the probability that it was the two-headed coin? | Shaalaa.com
2024年9月15日
shaalaa.com
tan75° 代数法与几何法，你是哪个阵营偏好者？
0:32
tan75° 代数法与几何法，你是哪个阵营偏好者？
已浏览 2125 次3 个月之前
bilibili初中math铭迪老师
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