subject
Mathematics, 05.05.2021 07:10 ayowazzzgood

FOUR balls are selected from a bag containing 15 red and 5 blue balls. What is the probability that: (a) exactly 3 are red if the balls are replaced each time?
(b) exactly 3 are red if the balls are not replaced?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not
Answers: 3
question
Mathematics, 21.06.2019 20:30
You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density
Answers: 1
question
Mathematics, 21.06.2019 22:30
If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?
Answers: 3
question
Mathematics, 21.06.2019 22:30
Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?
Answers: 2
You know the right answer?
FOUR balls are selected from a bag containing 15 red and 5 blue balls. What is the probability that:...
Questions
question
Computers and Technology, 03.12.2020 03:20
question
Mathematics, 03.12.2020 03:20
question
German, 03.12.2020 03:20
question
History, 03.12.2020 03:20
question
Spanish, 03.12.2020 03:20
question
Mathematics, 03.12.2020 03:20
question
English, 03.12.2020 03:20
Questions on the website: 13722360