subject
Mathematics, 19.03.2021 15:40 Blakemiller2020

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)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7)
Answers: 2
question
Mathematics, 21.06.2019 22:00
What is the solution to the division problem below x3+x2-11x+4/x+4
Answers: 2
question
Mathematics, 21.06.2019 23:00
Using only odd number for numerators write two different subtraction problems that have a difference of 3/4
Answers: 1
question
Mathematics, 22.06.2019 01:00
Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?
Answers: 1
You know the right answer?
Uma urna tem 30 bolas, sendo 10 vermelhas e 20 azuis. Se sortearmos 2 bolas, 1 de cada vez e repondo...
Questions
question
Mathematics, 15.12.2020 01:00
question
Mathematics, 15.12.2020 01:00
question
Mathematics, 15.12.2020 01:00
Questions on the website: 13722367