Prove that the sum of the probabilities of all possibilities in two independent events amounts to certainty.
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A: Given A and B are independent
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A: It is given that Mean, μ = 64.2 Sample size, n = 65 Standard deviation, σ = 2.55
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Q: Suppose, Tonmoy, Sneha and Rashed are three friends who applied for a job in a company where the…
A: Given probability distribution is P(T) =2/3 P(S) =1/3 P(R) =4/7
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A: As per guidelines we will solve first question only, please repost other questions for more answers.…
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A: given data P(bankcrupt) = p = 0.40 sample size (n) = 10 x = no. of bankcrupties P(x≥4) = ?
Q: Determine the probabilities of having (i) at least 1 girl and (ii) at least 1 girl and 1 boy in a…
A: i) Suppose event B defines that the child is a boy and event G defines that the child is a girl.
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A: The following solution is provided below
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Q: The break in an electric circuit occurs when at least one out of three elements connected in series…
A: Answer:
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Q: Poker is a common game in which players are dealt five cards from a deck of cards. It can be shown…
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- A box contains 10 mangoes out of which 4 are rotten. Two mangoes are taken out together. If one of them is found to be good, then find the probability that the other is also good.One of the n encrypted files in a folder is a special file. K of these files are removed one at a time by an attacker who has access to the folder. Each choice has an equal chance of being any of the currently available files. What is the probability that the person will withdraw the special file?You must justify or explain how you arrived at your conclusion.Two machines turn out all the products in a factory, with the first machine producing 35% of the product and the second 65%. The first machine produces defective products 7% of the time and the second machine 2% of the time (a) What is the probability that a defective part is produced at this factory given that it was made on the first machine?
- A student is selected at random from a list of all enrolled students at HarvardUniversity. Suppose the probability that the student is female is 0.48 and the probability that the student has a part-time job is 0.75. (a) In this context, define two events A and B. Also write down P(A) and P(B).(b) What does it mean, in this context, for A and B to be disjoint events?(c) Calculate P(A)+ P(B). Hence, or otherwise, explain why A and B cannot be disjoint events.What is the likelihood of a randomly selected student in a school of 500 having both a parent who is a doctor and a parent who is a lawyer, given that 10% of the parents in the school are doctors, 15% are lawyers, and 3% are both doctors and lawyers? How can the probability be calculated using the formula for conditional probability?In a district, 65% of the total population is in favor of rising the traffic challan. During a survey of that region,you sample 100 people. Then find the probability that those people who participated in survey will contain(a) between 60 and 70 inclusive who are in favor;(b) at least 50 who are in favor of the proposition;(c) Less than 75 in favor.
- Suppose we define A as the event of obtaining {1, 3, 5}, and event B as the set {1,5,6}.(a) Are events A and B mutually exclusive events? Why or why not?(b) Are events A and B independent events? Why or why not?(c) What are the complements of events A and B, respectively, and their probabilities?Suppose that it is equally likely for a child to be a boy or a girl. Suppose a parent tells you that she or he has 6 children. What is the probability that at least one is a boy given that at least 5 of the children are girls?What is the known probability when two events will both occur, such that the probabilities of the individual events are from its product? A. Independent Event B. Dependent Event C. Individual Event D. Intersection of Event Mr. Chua has two children. What is the probability that they are both boys? А. 1/2 В. 1/3 C. 1/4 D. 1