1, 這個(gè)問題你檢查一下對嗎? n=p*r*s*m*n*t,兩邊都有n 啊?還六個(gè)數(shù)都不相等.
2,（a）你先求兩次一樣的概率,你第一拋的不管是啥,第二次再取到這個(gè)值的概率是1/6.（b）不相等的概率知道了吧?5/6.（c）a/b>1和a/b
問幾道SAT概率數(shù)學(xué)題
問幾道SAT概率數(shù)學(xué)題
沒學(xué)過高中概率,希望講的詳細(xì)一些.
1.If p,r,m,n,t and s are six different prime numbers greater than 2,and n=p*r*s*m*n*t,how many positive factors,including 1 and n,does n have?
2.If someone throws a dice twice,on the first time he gets a points,and on the second he gets b points,what is the probability a/b>1?
3.Mr.Jones must choose 4 of the following 5 flavors of jellybean:apple,berry,coconut,kumquat,and lemon,How many different combinations of flavors can Mr.Jones choose?
4.有5張卡片,其中的一張A永遠(yuǎn)都不在兩邊,問有多少種排列方式
沒學(xué)過高中概率,希望講的詳細(xì)一些.
1.If p,r,m,n,t and s are six different prime numbers greater than 2,and n=p*r*s*m*n*t,how many positive factors,including 1 and n,does n have?
2.If someone throws a dice twice,on the first time he gets a points,and on the second he gets b points,what is the probability a/b>1?
3.Mr.Jones must choose 4 of the following 5 flavors of jellybean:apple,berry,coconut,kumquat,and lemon,How many different combinations of flavors can Mr.Jones choose?
4.有5張卡片,其中的一張A永遠(yuǎn)都不在兩邊,問有多少種排列方式
英語人氣：210 ℃時(shí)間：2020-05-08 17:43:38
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