เหตุการณ์ที่สนใจ

เหตุการณ์ทั้งหมด

S = HH,HT,TH,TT

S = {HH,HT,TH,TT}

S = 1,2,3,4,5,6

S = {1,2,3,4,5,6}

S = { 0,1,2,3,4,5,6,7,8,9,10,11,12}

S = { 2,3,4,5,6,7,8,9,10,11,12}

จำนวนสมาชิก

ค่าความน่าจะเป็น

การระบุสมาชิก

n(S) = 11

n(S) ={ 2,3,4,5,6,7,8,9,10,11,12 }

n(S) = 12

n(S)= 9

n(S)= { 0,1,2,3,4,5,6,7,8,9}

n(S) = 10

E = {HT,TH}

E= {HH,HT,TH,TT}

E={HH,TT}

E = { 2,4,6}

E = {1,2,3,4,5,6}

n(E)= {H1,H2,H3,H4,H5,H6,T1,T2,T3,T4,T5,T6}

n(E)={H1,H2,H3,H4,H5,H6}

n(E)=12

n(E)=6

n(E)=0

n(E)={ }

n(E)={1,2,3,4,5}

โพธิ์ดำ

โพธิ์แดง

ข้าวหลามตัด

ดอกจิก

ข้าวเหนียวมูล

4 ใบ

13 ใบ

52 ใบ

13 ใบ

26 ใบ

52 ใบ

10 ใบ

13 ใบ

52 ใบ

$$P\left(E\right)=\frac{n\left(E\right)}{n\left(S\right)}$$

$$P_{n,r}=\frac{n!}{\left(n-r\right)!}$$

$$C_{n,r}=\frac{n!}{\left(n-r\right)!r!}$$

$$\left(n-1\right)!$$

-1 ถึง 1

0 ถึง 1

-1 ถึง 0

$$P\left(E\right)=\frac{6}{12}$$

$$P\left(E\right)=\frac{12}{6}$$

$$P\left(E\right)=\frac{3}{6}$$

$$P\left(E\right)=\frac{2}{6}$$

$$P\left(E\right)=\frac{2}{5}$$

$$P\left(E\right)=\frac{16}{52}$$

$$P\left(E\right)=\frac{4}{52}$$

สนใจอันดับ

ไม่สนใจอันดับ

$$C_{52,1}=\frac{52!}{\left(52-1\right)!1!}=\frac{52\times51!}{51!1!}=52$$

$$C_{13,1}=\frac{13!}{\left(13-1\right)!1!}=\frac{13\times12!}{12!1!}=13$$

$$C_{52,1}=\frac{52!}{\left(52-1\right)!1!}=\frac{52\times51!}{51!1!}=52$$

$$C_{26,1}=\frac{26!}{\left(26-1\right)!1!}=\frac{26\times25!}{25!1!}=26$$

$$C_{13,1}=\frac{13!}{\left(13-1\right)!1!}=\frac{13\times12!}{12!1!}=13$$

$$์n\left(S\right)=C_{4,1}\times C_{5,1}\times C_{5,1}$$  

$$n\left(S\right)=C_{4,1}\times C_{4,1}\times C_{3,1}$$  

$$n\left(S\right)=C_{5,1}\times C_{4,1}\times C_{3,1}$$  

$$n\left(S\right)=C_{4,1}\times C_{5,1}\times C_{5,1}$$

$$n\left(S\right)=C_{4,1}\times C_{4,1}\times C_{3,1}$$

$$n\left(S\right)=C_{5,1}\times C_{4,1}\times C_{3,1}$$

0

1

2

3

4

$$n\left(S\right)=7!=7\times6\times5\times4\times3\times2\times1$$

$$n\left(S\right)=4!3!=4\times3\times2\times1\times3\times2\times1$$

$$n\left(E\right)=5!3!=5\times4\times3\times2\times1\times3\times2\times1$$

$$n\left(E\right)=7!=7\times6\times5\times4\times3\times2\times1$$

$$n\left(E\right)=4!3!=4\times3\times2\times1\times3\times2\times1$$

$$P\left(E\right)=\frac{5!3!}{7!}$$  

$$P\left(E\right)=\frac{7!}{5!3!}$$  

$$n\left(S\right)=\left(6-1\right)!=5!=5\times4\times3\times2\times1$$

$$n\left(S\right)=6!=6\times5\times4\times3\times2\times1$$

$$n!$$

$$\left(n-1\right)!$$

$$\frac{n!}{\left(n-r\right)!r!}$$

$$n\left(E\right)=\left(6-1\right)!2!=5!2!$$

$$n\left(E\right)=\left(5-1\right)!2!=4!2!$$

$$n\left(E\right)=6!2!$$

$$P\left(E\right)=\frac{5!}{4!2!}$$  

$$P\left(E\right)=\frac{4!2!}{5!}$$  

$$P\left(E\right)=\frac{84}{10}$$  

$$P\left(E\right)=\frac{10}{84}$$  

$$\frac{1}{2}$$

$$\frac{3}{2}$$

$$\frac{2}{3}$$

$$\frac{1}{3}$$

$$\frac{1}{365}$$

$$\frac{2}{365}$$

$$\frac{90}{365}$$

$$\frac{135}{565}$$

$$\frac{5}{6}$$

$$\frac{4}{6}$$

$$\frac{3}{6}$$

$$\frac{1}{6}$$

$$\frac{1}{5}$$

$$\frac{2}{5}$$

$$\frac{4}{5}$$

$$\frac{5}{5}$$

$$\frac{1}{4}$$

$$\frac{3}{4}$$

$$\frac{1}{9}$$

$$\frac{3}{7}$$