WebThere are only n red balls and (n + 1) blue balls in a bag. Shamsa takes at random 2 balls from the bag. Show that the probability that both balls are the same colour is (Total for question = 4 marks) Q2. NON-CALCULATOR There are only r red counters and g green counters in a bag. A counter is taken at random from the bag. Web22 In a bag there are only red counters, blue counters, green counters and yellow counters. A counter is taken at random from the bag. The table shows the probabilities that the counter will be green or will be yellow. The probability that the counter will be red is twice the probability that the counter will be blue.

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WebA bag only contains 4 blue counters and 3 red counters. A box only contains 5 blue counters and 2 red counters. One counter is taken at random from the bag and one counter... WebQuestion. 16) There are only red counters and blue counters in a bag. Joe takes at random a counter from the bag. The probability that the counter is red is 0.65. Joe puts the counter … pole mountain bike

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WebMar 18, 2024 · A bag contains ten counters of which six are red and four are green. A counter is chosen at random; its colour is noted and it is replaced in the bag. A second is then chosen at random. Find the probability that both counters are red. How we would start this question ? What would be the sample space ? WebJun 16, 2024 · Solution: The probability of getting a red counter from the bag can be found from the following steps: Step 1: Calculate the total number of counters in the bag Red counter + Blue counter + Green counter = ? 6 + 8 + 4 = 18 counters in total are there in the bag Step 2: Apply the probability formula Probability of getting red counter = bank r bass