Suppose that X and Y have following joint probability distribution: F(x,y) 4 1 0.10 0.15 3 0.20 0.30 0.10 0.15 a.) Find the marginal distribution of X. b.) Find the marginal distribution of Y.

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A: As per company guidelines I solved exactly three subparts of the question .thank you X

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Q: Draw a normal distribution.

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A: Here use venn diagram  Here A = machine A operate usually  B = machine B operate usually 

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Q: What is E(e Y = 1)?

A: First we have to obtain the conditional PDF of X given Y = y to find the required expectation.

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A: Here Given two machines A and B  And  Probability their preforming usual in 5 years time P(A)=14=0.2...

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Q: Which of the four sets of data represents a normal distribution? O (1, 2, 3, 3, 3, 2, 1) {-10, -8, -...

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A: A. Consider, the regression equation is, From the output, the regression equation is, Sales=17.6836...

Q: Pr(A n B) = 0.1 Pr(A) = 0.2 Pr(B') = 0.5 Hence, fill in the intersection table: A A' В B'

A: It is given that Pr(A∩B)=0.1, Pr(A)=0.2 and Pr(Bl)=0.5.

Q: in the table below, determine the value of P(X = 7) to three (3) decimal places. Hint: What is one o...

A: We have given that  Probability distribution.  X P(x) 5 0.367 6 0.156 7 a=?  

Q: The probability (i) that A can solve a prob Statistics is 4/5, (ii) that B can solve it is 2/3, (iii...

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Q: Under what circumstances should you choose an alternative referencing style? You can choose any styl...

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Q: In a party, ten chairs are positioned around a circular table. In how many ways can ten people be se...

A: Let, There are ten persons 1,2,3,4,5,6,7,8,9,10. So, total possible seating arrangement in the round...

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Q: 5. At Peaches in Alabel, there are 5 different toppings of pizZza, where a costumer can order any nu...

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Q: Illustration 16.74. How many throws with a single die must a man haye in order that his chance of th...

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Q: retirement. Carry out an appropriate hypothesis test and see whether there is any difference between...

A: Here use two tail test of comparing 2 proportion 

Q: A semiconductor company will hire 8 men and 5 women. In how many ways can the company choose from 12...

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Q: Let A and B be events such that P(A) = 0.6, P(B) = 0.5and P(A∪ B) = 0.8.Find P(A B)). Are A and B in...

A: We have given that events  P(A) =0.6 P(B) =0.5 P(A∪ B) = 0.8 Note: According to Bartleby expert guid...

Q: A box contains 7 red, 3 green, and 2 yellow balls. If one ball is drawn from the box, then what is t...

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Q: In an experiment, college students were given either four quarters or a $1 bill and they could eithe...

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Q: TOPIC: PROBABILITY OF INDEPENDENT AND DEPENDENT EVENTS 8)A fair die is tossed three times. Find the...

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Q: The Greek alphabet has 24 letters. How many fraternity names can be made using 1 to 3 letters if:

A: here given there are total 24 greek alpha bet now name can be made using 1 to 3 letters 

Q: Solve the quation: Tony and his team identified some risks during the first month of the Recreation ...

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Q: A box contains 20 computer chips, 4 of which are defective. If 3 are selected at random, what is the...

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Q: Expected values and Binomial distribution 10. A cubical die is biased. The numbers one to five are e...

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Q: The mean number of past relationship partners for the population people between the ages of 18 and 2...

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Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days...

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Q: Suppose a normal distribution has a mean of 98 and a standard deviation of 6. What is P(x2 104)? A. ...

A: We have given that.   X~N( μ , ?^2 )   μ=98   , ?=6   Z-score =( x - μ )/?

Q: A shipment of 40 computers are unloaded from the van and tested. 6 of them are defective. In how man...

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Q: It stated that there is significant difference between the observed and expected data A. Alternative...

A: Hypothesis :- The statement about population conducting the study design is called as a hypothesis T...

Q: How many six-digit even numbers less than 200 000 can be formed using all of the digits 1, 1, 2, 2, ...

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Q: The probability that it is Friday and that a student is absent is 0.03. Since there are 5 school day...

A: Given,P(a friday)=0.2P(friday and absent)=0.03

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Q: The following phenotypes and numbers were observed as the progeny of this test cross: Unbanded, brow...

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Q: A coin is weighted in such a way that it lands "heads side up" 70% of the time. The coin is to be fl...

A: Given that p =0.7 ,n=8,k=5 Using negative binomial distribution Find the probability given

Q: Expected values and Binomial distribution 2. A packet of vegetable seeds has a germination rate of 9...

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Q: A continuous random variable X has density function f(x) =- (x-1)' defined on the 4 interval 11.5)

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Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit ...

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Q: Let X be a discrete random variable with the following PMF 0.1 for a = 0.2 %3D 0.2 for a = 0.4 %3D 0...

A: The probability mass function gives the probability at each possible value of a discrete random vari...