n(g)=5 (c) Exactly one person is in favour of Khichuri. But when you get probability questions in your GRE and GMAT exam syllabus, you don’t have to get flummoxed. Read about our services and pricing. If the label reads Verb, what is the probability that its associated word can also be used as a noun? Over 18,000 students enrolled, with average rating of 4.6 stars. )=0.4 The cards for the other two words have the same word category label on either side. She knows that 80% of the studentswill complete the assigned problem. Rahul has just installed four billboards on a highway outside of town, and he knows from experience the probabilities that each will be noticed by a randomly chosen motorist. Two successive drawings of 3 packets of electrolyte are made such that (i) electrolyte are replaced before second trial (ii) electrolyte are not replaced before second trial. Find the following: i. Probability that a patient is cured of HIV/AIDS [12 Marks) Probability that a person is cured of HIV/AIDS actually had HIV/AIDS. Two fair dice are rolled simultaneously. There are so many variables at play, it’s difficult to give an accurate answer. Probability of choosing 1 chocobar = 4/8 = 1/2. In mathematics too, probability indicates the same – the likelihood of the occurrence of an event. P(h’)=1-P(h) etc. a) 1-(0.5)=0.5 (a) State the 5 properties required for a random variable to have a binomial distribution. Probability of drawing 1 black pen = 3/9 So 1/2 * 1/2 = 1/4 is the answer. P(B)*P(R)=.2 d) 212/216, Learn how to solve: What is the probability that he completed the assignment? Probability of drawing 2 blue pens and 1 black pen = 4/9 * 4/9 * 3/9 = 48/729 = 16/243. profit per month is 20% and the chance of Rs,50,000 Therefore, P(Sum equals 8) = 5/36 and P(G) = 2/36. c) 1-(0.75*0.667*0.5)=0.75 Thanks. What is the expected value if the person purchases four (4) tickets? please answer my question. Applying the formula of compound probability. compound events. Draw a Venn diagram illustrating this data. Simple probability: yellow marble. Now, P(G|sum equals 8)         = P(G and sum equals 8)/P(sum equals 8), A bag contains blue and red balls. Probability of getting a tail in one toss = 1/2. 2. Every event will have a set of possible outcomes. Solution please, Lets assume probability of picking a red ball is X. Can somebody help me to solve above problem What is the probability that the sum of the rolls is atleast 5. 5/1*3/7*1/13=15/91 The probability of selecting a blue and then a red ball is 0.2. The card for run has Noun on one side, and Verb on the other. Dr. Stallter has been teaching basic statices for many years. We can choose the balls with replacement so that means that after choosing one red ball there are still 18 balls in the bag. The first can be used as noun and as verb, the second only as a noun, and the third only as a verb. will you conclude that the applicants have arrived in a random fashion? of winning on first box + Prob. When a single die is rolled, the sample space is {1,2,3,4,5,6}. c) 3/216 She has also determined that among those who do their assignment, 90% will pass the cours. P(Cold)=0.7, P(Not Cold)=0.3 Start here or give us a call: (312) 646-6365. If the same integers may be selected twice, find the probability that: Some problems are easy, some are very hard, but each is … Can you solve me these 4 question??? The probability of choosing one red ball is 5/18. they are in favour of Biriyani or Khichuri. 5/21. (450/2730)+(200/2730)= As for your question, Pls. When multiple events occur, if the outcome of one event DOES NOT affect the outcome of the other events, they are called independent events. The probability X failing during one year is 0.25 and that of Y is 0.05 and that of Z failing is 0.15. what is the probability that the equipment will fail before the end of one year? Tom eats 3 of them one after another. Bcz we have 4 number of event to getting a number of sum less than 5 since the sum of p(s) and p(s`)=1 When two events cannot occur at the same time, they are considered mutually exclusive. He answers the first problem correctly and the second problem incorrectly, for each of the remaining 8 problems the probability that he answers the problem correctly equals to the ratio of the number of problems that he has already answered correctly to the total number of problems that he has already answered. (a) p(first two are boys and third is a girl) Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. What is the probability that he will get a profit What is the probability of getting at least one head? P(AnB)=0.4. =0.2/0.5=0.4. The probability of three females in a row is simply (0.5)^3 = 1/8 = 0.125. training without regard to sex. 60% of the students study math. Your email address will not be published. When MS and MBA applicants ask us – ‘What are my chances of getting into Harvard?‘ or ‘What’s my probability of getting scholarships from Oxford?‘ we get tongue-tied. (b) Define the expected value of a discrete random variable . Among those studentswho do not do their homewor, 60% will pass. Therefore the possibilities are ‘heart-spade’ and ‘spade-heart’. Probability of drawing another blue pen = 4/9 P(No S + Cold)=0.4*0.7=0.28, in a class 10 boys and 5 girls .three students are selected random one after the other.find the probability that, 1)first two are boys and third is girl 1. These classes are open to any of the 97 students in the school. Mike Fishbaugh took statices last semester from Dr. Stallter and received a passing grade. Consider three English words, run, scythe, and breathe. What is the probability of the occurrence of a number that is odd or less than 5 when a fair die is rolled. (ii) sum of at least 9. (b)what will be the actual price for selling the tomato at cost plus(+) 25%? (b) Probability of getting spade is 13/52 and Probability of getting Heart is 12/51 XYZ company wants to start a food outlet in pakistan. The success in one LGA is independent of success or failure in the other LGA. how to solve this question, in a club with 8 men and 10 women members , find the probability that a 5 member committes chosen randomly will have a.all men b. you conclude that the applicants have arrived in a random fashion? A piece of medical equipment will function only when all the three components X, Y and Z are working. How many ways can she go from her home to her office? A committee of 3 people was chosen at random from a group of 5 men and 6 women. Let the event of the occurrence of a number that is odd be ‘A’ and the event of the occurrence of a number that is less than 5 be ‘B’. These two are independent events. An event that occurs for sure is called a Certain event and its probability is 1. After taking out 1 chocobar, the total number is 7. i) Given that he walks to the school on a particular Tuesday, find the probability that he will go to the school by bus on Thursday of that week. So far we discussed Descriptive Statistics and Probability, now let’s look at a few more advanced topics. This is 30.8% lower than that of the Technology sector and 16.37% lower than that of the, Macroaxis helps investors of all levels and skills to maximize the upside of all their holdings and minimize the risk MM W MMMM WW M WW MMMM WW M WWWW MM WW M W M WW. c) P(C|K) = 30%, please solve these questions. Hence P(s)= 1- P(s’) so that we have to search the possibilities of less than five to easy our work this will be like[111][112][121] = 3 out comes onlywso p(s`)=3/216 when p(s`) is probability of sum less than five or probability of sum greater than equal to five. 2. a major urban hospital has gathered data on the number of heart attack victims seen.the given table indicates the probabilities of different numbers of heart attack victims being treated in the emergency room on a typical day number of victims treated (n)fever than 5 ,6,7,more than 7 p(n) 0.08,0.16,0.30,0.26,0.20. The odds of the next birth being female is still 50%. hopefully you haven’t been waiting over a year for a response :) Here you go though…, A: (2/3)^ 3 = 8/27