If A and B are mutually exclusive, and if P(A) = 0.4 and P(B) = 0.2, what is P(AUB)? P(AUB)= ***

Q: discrete random variable X has the following probability distribution.  x 0 1 2 3 P(X=x) q 4p2 p…

A: The provided probability distribution is, x 0 1 2 3 P(X=x) q 4p2 p 0.7 - 4p2

Q: Let X and Y have a joint pdf given by f (x, y) = {3³x₁ (3x, 0, 0 ≤ y ≤x≤1 elsewhere. 1. Find the…

A: Let X and Y be two continuous random variables defined over the sample space S. Then the continuous…

Q: What is the probability of having more than or equal to 6 snatching incident during a randomly…

A: By record of the local police department of Alabang, on an average, there are 3 cases of snatching…

Q: estor plans to sell the bon coupon payment is receiv

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Q: probability that the member selected at random i from the shaded area of the graph is (Round to four…

A: Given that.   X~N( μ , ?^2 )   μ=20.5   , ?=5.3   Z-score =( x - μ )/?

Q: A4 f > 43 * % NG • * > EN Ma * M4 * >> < Ma Jo of of As shown above, a classic deck of cards is…

A: Given  A deck of 52 cards,we need to determine the probability of picking a diamond given that the…

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Q: Suppose that the transit time on a particular sub standard PNR is uniformly distributed between 48…

A: It is given that X~U(48, 85).

Q: You are dealt two cards from a standard deck of 52 cards. What is the probability that the two cards…

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Q: According to a survey by a telecommunications company, the probability of a call not being connected…

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Q: A box contains colored balls, each marked with a positive integer. Half of the balls are blue and…

A: The provided information is  Four dozen is 1-1/5=4/5 of the number of balls.  The total number of…

Q: The tree diagram represents an experiment consisting of two trials. 5/ 6 D Are A and Cindependent…

A: Given a tree diagram, using the tree diagram we have to find are A and C are independent events.

Q: a) Suppose that the joint density function of two random variables W₁ and W₂ is given by f(w₁, ₂) =…

A: Farmula used If X and Y are independent f(x,y)=f(x)f(y) Cov(X,Y)=E(XY)-E(X)E(Y)

Q: The position of a random point A(X, Y) is equally probable at any point of an ellipse with the…

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Q: [Q1] From the letters {A, B, C, D, E, F, G}, how many: (a) 3-distinct-letters codes can be…

A: Given :- letters  {A, B, C, D, E, F, G}  We have to find :- how many  (a) 3-distinct-letters codes…

Q: missing values in the following statements. The distribution of scores on the test written by a…

A: Given: The distribution of scores on the written test is skewed with the mean of μ=55 points and…

Q: The probability that Aiko can drive to work without having to stop at a red light is 0.125. The odds…

A: Given that  The probability that Aiko can drive to work without having to stop at a red light is…

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Q: instead you are told the interest rebate is only $23.40. What happened? Look at the fine print on…

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Q: If one student is chosen from the school, what is the probability that the chosen student is a…

A: Given data is Classes Number Freshman 522 sophomore 528 Junior 466 Senior 484

Q: One person came to the bus. wing the timetable. will take the bus. The rando ne time this person has…

A: consider be the random variable denotes the time of a person has to wait. It follows continuous…

Q: State whether the standardized test statistic z indicates that you should reject the null…

A: Given graph is

Q: B: Calculate Expected value and standard deviation ? X p(x) 0 0.2 1 0.4 2 0.1 3 0.3

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Q: A group of 6 female managers and 19 male managers apply for an assignment. A random sample of 5…

A: A group of 6 female managers and 19 male managers apply for an assignment. A random sample of 5…

Q: Instructions: Use the following data set to find the sample statistics for the following data set.…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The data set of 18 values is given below 3.2, 4.0, 4.2, 2.1, 4.4, 3.8, 4.2, 3.3, 2.8, 4.3, 3.2, 2.7…

A: A stem-and-leaf is a graphical display of a numerical data set. Each data is divided into two parts:…

Q: SHOW AND EXPLAIN ALL WORK 1.  The  table shows the results of a survey of students in two math…

A: Probability is the measure of statistical analysis. It used to understand the likelihood happening…

Q: The marks of students in mathematics are normally distributed with a mean of 85 in a university. In…

A: Given data is Mean(μ)=85sample size(n)=36P(x1&gt;88)=0.0013

Q: (a) Ho: H₂: 25 25

A: Given that  Population mean μ =25 Null hypothesis is denoted by H0 and alternative hypothesis is…

Q: A magician draws 13 cards from a deck. Determine the chance that he gets two five ♥, three, and…

A: Obtain the probability that he draws 2 diamonds, five hearts, 3 spades and 3 clubs. The probability…

Q: Let X denote the amount of time in hours that a battery on a solar calculator will operate…

A: Given,f(x)=253x-3     ;  2&lt;X&lt;10

Q: b) Suppose that X is a random variable with the probability density function given by (2(1-x),0 ≤ x…

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Q: The random variable X, representing the number of cherries in a cherry puff, has the probability…

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Q: a. Alex's z-score is b. Boris z -score is __ C. performed on exam better than

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Q: Your friend grabs a die at random from a drawer containing two 4-sided dice, one 8-sided die, and…

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Q: c) Suppose that, on average, telephone calls arrive at large switchboard at the rate of two per…

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Q: An unbalanced six-side die is rolled once and the number on the top of the die is observed. Suppose…

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Q: . A die is thrown randomly 450 times. The frequencies of outcomes 1, 2, 3, 4, 5, and 6 a shown in…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least…

A: From the provided information, Sample size (n) = 28 Sample mean (x̄) = 720 Population standard…

Q: Test the claim about the population mean, μ, at the given level of significance using the given…

A: Given,Claim: μ=50α=0.03σ=3.64x¯=49.7 n=70

Q: 6.7 In 2015, the per capita consumption of bottled water in the United States was reported to be…

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Q: r b. A salesman has a 40% probability of making a sale to any customer who enters his department. On…

A: It is given that  Probability, p = 40% = 0.40 n = 20 In Binomial distribution, Mean = np = 20*0.40 =…

Q: The Z-score is. (Round to two decimal places as needed.)

A: It is given that  The shaded area of the graph is 0.4129.

Q: Construct the confidence interval for the population mean . c=0.90, x= 16.6, o=9.0, and n=65 A 90%…

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Q: What is the probability that he/she does not study any of the three languages? (b)  What is the…

A: Here AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS  R = Russian language  E = English Language  G…

Q: Find the margin of error for the given values of c, s, and n. c=0.90, s=4, n=20 Click the icon to…

A: Given,c=0.90 , s=4 , n=20derees of freedom(df)=n-1df=20-1=19α=1-0.90=0.1α2=0.05t0.05(19)=1.729…

Q: Use the probability distribution t complete parts (a) and (b) below. The number of defects per 1000…

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Q: Find the probability that a person flipping a coin gets (a) the eighth tail on the tenth flip, and…

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Q: Let X be a continuous random variable with density function √ 3e-3x, 0, (a) Verify that f is a…

A: As per our guidelines we are suppose to answer only three sub parts . Given,f(x)={3e-3x; x&gt;00;…

Q: The density function of a continuous random variable X is shown below. Find (a) the mode. (b) the…

A: Given  A density function,we need to determine mode,median and mean. Please find the below…