Webb1 juni 2015 · On your first pick, the probability is 11/16 that you choose a red ball. On the second pick, the probability is 10/15 that you choose a red ball. So 11/16*10/15 = … Webb18 nov. 2010 · A ball is selected and the color noted. Then it is replaced. A second ball is selected and its color noted. Find the probability of getting a red ball and a blue ball. asked by Maryan November 18, 2010 7 answers If you want them in that order prob = (3/10) (2/10) = 6/100 = 3/50 If the order does not matter, that is, it could RB or BR
A box contains 8 red balls, 3 orange balls, and 4 yellow balls. Find ...
Webb1 juni 2024 · However, the next picture shows that the answer got to be the same in terms of the inverted problem about all balls being red, i.e. none of the balls being blue. So, if … WebbA bag contains 6 red balls and 4 green balls. You plan to select 3 balls at random. Determine the probability of selecting 3 green balls. The problem is to be done without replacement. Use combinations to determine the probability. The probability is (Type an integer or a simplified fraction.) Question: A bag contains 6 red balls and 4 green ... dusty lloyd
Solved A bag contains 4 red balls and 5 blue balls. If 4 - Chegg
Webb25 juli 2011 · Well, on the first try, you have a 90 / 100 probability of not drawing a red ball; if the first was not a red ball, then on the second try there are still 10 red balls left, but only 99 to choose from, so you have a 89 / 99 chance of not drawing a red ball. Webb29 mars 2024 · What is the probability that she takes out the (ii) red ball? Total number of balls = 3 Number of balls which are red = 1 P (ball taken out red) = (𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑏𝑎𝑙𝑙𝑠 𝑤ℎ𝑖𝑐ℎ 𝑎𝑟𝑒 𝑟𝑒𝑑)/ (𝑇𝑜𝑡𝑎𝑙 𝑛𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑏𝑎𝑙𝑙𝑠) = 1/3 Example 2 A bag contains a red ball, a blue ball and … Webb18 feb. 2024 · Since they are disjoint, the probability that you are naming is P ( B ∪ W R at first draw) = P ( B R at first draw) + P ( W R at first draw) = 10 29 + 10 29 = 20 29 which can be interpreted as the probability of drawing a blue ball or a white ball given than the first one was red. dusty lane hoquiam wa