එළකිරි ගණන් කාරයෝ

[thilina91]

එහෙම ඇසිඋම් කරන්න බැහැ බ්‍රෝ ....පිළිතුර වැරදි

CA = AB nemeda?

 

[Gasa84]

CA = AB nemeda?

එහෙම දීලා නැහැනේ

 

[thinking_guy]

 

[simpleboy]

We are given 2 urns. The first one contains 2 black and 2 white marbles.The second urn contains 2 black marbles and 1 white marble.
An urn is selected at random, a marble is drawn and put into the other urn. Then a marble is drawn from the second urn. Find the probability that both marbles drawn are of the same colour.

 

[Gasa84]

View attachment 66344

හරි

 

[Gasa84]

We are given 2 urns. The first one contains 2 black and 2 white marbles.The second urn contains 2 black marbles and 1 white marble.
An urn is selected at random, a marble is drawn and put into the other urn. Then a marble is drawn from the second urn. Find the probability that both marbles drawn are of the same colour.

එල ගාන හදමු බලන්න

 

[Gasa84]

We are given 2 urns. The first one contains 2 black and 2 white marbles.The second urn contains 2 black marbles and 1 white marble.
An urn is selected at random, a marble is drawn and put into the other urn. Then a marble is drawn from the second urn. Find the probability that both marbles drawn are of the same colour.

0.325 ද?

 

[MihiCherub]

We are given 2 urns. The first one contains 2 black and 2 white marbles.The second urn contains 2 black marbles and 1 white marble.
An urn is selected at random, a marble is drawn and put into the other urn. Then a marble is drawn from the second urn. Find the probability that both marbles drawn are of the same colour.

56.25%

 

[simpleboy]

0.325 ද?

56.25%

na machanla uththara owa newei gaththa hatith danna.

 

[MihiCherub]

na machanla uththara owa newei gaththa hatith danna.

50%

 

[Gasa84]

කන්ටේනර් A සහ B ලෙසගන්නවා .....


වියහකියාවන් මුලින්ම A තෝරාගැනීම black , black

මුලින්ම A තෝරාගැනීම w ,w


මුලින්ම B තෝරා ගැනීම black ,black

මුලින්ම බ තෝරා ගැනීම w .W



(3/16) +(1/10)+ (1/8)+ (1/5) = 98/160=0.6125 ද

 

[simpleboy]

කන්ටේනර් A සහ B ලෙසගන්නවා .....


වියහකියාවන් මුලින්ම A තෝරාගැනීම black , black

මුලින්ම A තෝරාගැනීම w ,w


මුලින්ම B තෝරා ගැනීම black ,black

මුලින්ම බ තෝරා ගැනීම w .W



(3/16) +(1/10)+ (1/8)+ (1/5) = 98/160=0.6125 ද

hari machan uththare hari uththare gaththa widiya thawa poddak pahadili karannako.? (3/16) +(1/10)+ (1/8)+ (1/5) me tika gaththe kohomada?

 

[Gasa84]

hari machan uththare hari uththare gaththa widiya thawa poddak pahadili karannako.? (3/16) +(1/10)+ (1/8)+ (1/5) me tika gaththe kohomada?

රුක් සටහනක් ගැහුවා හැදුවා ....ඕක ලියන්න දන්නේ නැහැ බන්

 

[simpleboy]

රුක් සටහනක් ගැහුවා හැදුවා ....ඕක ලියන්න දන්නේ නැහැ බන්

ane machan poddak kiyala dennako karana widihata? loku udawwak.

 

[thilina91]

hari machan uththare hari uththare gaththa widiya thawa poddak pahadili karannako.? (3/16) +(1/10)+ (1/8)+ (1/5) me tika gaththe kohomada?

 

[Gasa84]

ane machan poddak kiyala dennako karana widihata? loku udawwak.

උඹේ mail address එක දීපන්කො ..මම එවන්නම් ෆොටෝ එකක් attach කරලා

 

[thilina91]

උඹේ mail address එක දීපන්කො ..මම එවන්නම් ෆොටෝ එකක් attach කරලා

Photo ekak damma.

 

[Gasa84]

Photo ekak damma.

කොහොමද මම දන්නේ නැහැනේ

 

[Gasa84]

Photo ekak damma.

එල එල

 

[simpleboy]

thank machan