The probability that the second marble is red
WebbThe probability that exactly one red marble is drawn is A 3/5 B 9/125 C 36/125 D 6/125 Medium Solution Verified by Toppr Correct option is C) Total balls are = 3 Red and 2 White marbles = 5 balls Case when two white marble is drawn = 2 White and 1 Red marbles WWR;WRW;RWW Webb25 mars 2024 · The probability the second marble chosen is red is 4/7. There are then 3 red and 3 white marbles left. The probability the third marble chosen is red is 3/6= 1/2. …
The probability that the second marble is red
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WebbA marble is chosen at random, if the marble is blue or green it is set aside. If it is red, it is placed back in the bag. What is the probability, that the first marble was blue, given the … Webbprobability that an adult do not like PT = 100-70 = 30% = 0.3 no. of adults who should not like PT among random 8 = 5. => 5/8 therefore, the probability is 0.3*5/8= 15/80 …
WebbA bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, find the probability that a blue marble will be drawn. a. One-third … WebbA box contains 10 red marbles, ... on the second draw is 19/59, on the third draw is 18/58, on the fourth draw is 17/57, and on ... 10 blue, and 5 green. a) Two marbles are selected with replacement. Find the probability that both marbles are red. b) Two marbles are selected without replacement. Find the probability of first selecting a ...
Webb31 maj 2024 · To get a white marble on both draws the chance is 3/6 * 2/5 = 6/30 = 1/5. b) You can either draw a green marble then a white marble or a white marble and a green marble. To draw green then white is 2/6 * 3/5 = 6/30 = 1/5 To draw white then green is 3/6 * 2/5 = 6/30 = 1/5 Chance of either = 2/5. Upvote • 0 Downvote Add comment Report Webb28 dec. 2024 · If the first is non-red (which also happens with probability 5 10 = 1 2) we're left with 9 balls of which 5 are red, so then the probability is 5 9 for the second one to be …
WebbA jar contains 4 red marbles, 4 green marbles, and 5 blue marbles. If we choose a marble, then another marble without putting the first one back in the jar, what is the probability that the first marble will be blue and the second will be green? A jar contains 4 red marbles, 4 green marbles, and 5 blue marbles.
WebbThis calculator can also be used to calculate the probabilities of conditional events. The conditional probability of an event A, given that event B has occurred, is defined as , given that Example 5 Problem: A drawer contains six black, eight red, and four white socks. Two socks are picked at random from the drawer. iphone 910WebbThere was a marble drawn from a bag in an experiment and placed back in the bag repeatedly. A red marble appeared 45 times, a blue marble 70 times, a green marble 63 … iphone 9 2020WebbA glass container has 7 green marbles, 6 maroon marbles, 5 blue marbles, and 4 yellow marbles. One marble is picked form the glass container and without replacement, another marble is picked. 5.) Getting a red card on the first draw from an ordinary deck of playing cards without replacement and drawing a 7 in the second draw. B. Problem Solving 1. iphone 8 英寸WebbThe probability of selecting a non-red marble on the first draw is (12 19), since there are 12 non-red marbles out of a total of 19 marbles. After replacing the marble, the same probability applies for the second draw. iphone99新WebbSo the probability of drawing a red marble first is 5/28. For the second draw, there is now one less marble in the jar, so there are a total of 27 marbles. Since you want to draw a yellow marble next, there are 9 yellow marbles left. So, the probability of drawing a yellow marble after drawing a red marble is 9/27. iphone8芯片WebbIf a chip is drawn randomnly, what is the probability that the number is greater than 10 2 In a deck of car … ds, find the probability that the card is prime or a king marble 3. In a box, there are 6 blue, 12 red and 7 green marbles. A ball is drawn and put back inside the box. Find the probability that they are both red 4. iphone 90% 充電Webb26 mars 2024 · What is the probability that a red marble will be picked? P(red marble) = 4 / 20 or 1 / 5 or 0 or 2%. Daryl is asked to choose a day from a; ... is equally likely to leave, find the probability of: a) a van leaving first. b) a lorry leaving first. c) a car leaving second if either a lorry or van had left first. iphone 9 battery replacement