Uma urna tem 30 bolas, sendo 10 vermelhas e 20 azuis. Se sortearmos 2 bolas, 1 de cada vez e repondo a sorteada na urna, qual será a probabilidade de as duas bolas serem vermelhas? (respostas apenas o

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Tags
Categories
Ask a Question

John Colanduoni asked Dec 18, 2022

60,149 views

29 votes

Uma urna tem 30 bolas, sendo 10 vermelhas e 20 azuis. Se sortearmos 2 bolas, 1 de cada vez e repondo a sorteada na urna, qual será a probabilidade de as duas bolas serem vermelhas? (respostas apenas o número em fração irredutível, decimal com 4 casas ou porcentagem com 2 casas decimais)

Mathematics
high-school

John Colanduoni asked Dec 18, 2022

by John Colanduoni

2.9k points

0 Comments

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Your answer

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

1 Answer

24 votes

Answer:

hlo how r u

hlo how r u i m fine here

hlo how r u i m fine here from where r u

Ovidiu Latcu answered Dec 23, 2022

by Ovidiu Latcu

3.4k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

0 Comments

Your comment on this question:

Your answer

1 Answer

0 Comments

Your comment on this answer:

Other Questions