WebMay 1, 2024 · 0.2252 "There are 5+7+8 = 20 crayons in total." => P = C(15,4) (5/20)^4 (15/20)^11 = ((15!) 5^4 15^11) / ((11!)(4!) 20^15) = 0.2252 "Explanation :" "Because we replace, the odds for drawing a blue crayon are" "each time 5/20. We express that we draw 4 times a blue one" "and then 11 times not a blue one by (5/20)^4 (15/20)^11." "Of course the … WebA bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. ... In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? 1/9. What is the probability of getting a sum 9 from two throws of a dice? 7/8.
(Solved) - In a box there are 8 red, 7 blue, and 6 white marbles. If 4 ...
WebOct 8, 2013 · A box contains 5 blue and 4 red balls. Two balls are drawn successively from the box without replacement, and it is noted that the second one is red. What is the probability that the first is also red? (My answer is: 4/9 * 1 .is it true?) probability combinatorics probability-theory Share Cite Follow asked Oct 8, 2013 at 9:40 jini25 3 1 1 4 … WebApr 11, 2024 · The Rays tied MLB's post-1900 record for 13 consecutive wins at a season's start, rallying to beat the Red Sox 9-3 on Thursday behind a seven-run fifth inning. Adley … cub cadet hitch kit
In a box, there are 8 red, 7 blue and 6 green balls. One ball …
WebJun 4, 2014 · In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? Asked by Topperlearning … WebOther Math. Other Math questions and answers. Question 3 1 pts In a box there are 8 red, 7 blue, and 6 white marbles. If 3 marbles are selected at random and the colors are noted, find the probability that all are red given that all are the same color. 0.8895 O 0.4955 O 0.1105 O 0.0421 O 0.0014 O 0.5045. WebMar 31, 2024 · Number of red balls ` = 8` Number of blue balls ` = 7` Number of green balls ` = 6` Total number of balls ` = 8+7+6 = 21` If the ball drawn is neither red nor green, it … east canyon reservoir map