Question 3 A bag contains 10 green and 5 blue marbles. You are asked to select two marbles from the bag. The first marbl

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Question 3 A Bag Contains 10 Green And 5 Blue Marbles You Are Asked To Select Two Marbles From The Bag The First Marbl 1 (80.67 KiB) Viewed 78 times

Question 3 A bag contains 10 green and 5 blue marbles. You are asked to select two marbles from the bag. The first marble selected will not be placed back into the bag. Construct a probability tree for the various possible outcomes that may occur and determine their probabilities. What is the probability that both marbles will be the same colour? Events A and B are such that P(A) = 0.18 and P(AUB) = 0.53. Given that A and B are independent and non-mutually exclusive, determine P(B). It has been found from experience that there is an average of five faults per 50 metres of cloth produced by a linen factory. If we randomly select 50 metres of cloth, what is the probability that there will be more than two faults? Interpret your answer. The score obtained on an emotional intelligence test is normally distributed, with an average score (u) of 113 and a standard deviation (o) of 7.5. What is the probability that a randomly selected person will: Obtain a score between 118 and 120? Interpret your answer. Obtain a score between 112 and 121? Interpret your answer. Note: All Answers must be typed out and workings must be showed