Three-digit numbers are to be formed from 1, 3, 5, 7, 8, and 9. What is the probability that a randomly chosen three-digit number formed is even if repetitions are allowed? [ Choose ] if repetitions are not allowed? [ Choose ]

Q: a) Derive the probability for guessing the correct in a ten-item in a true or false type of quiz. b)...

A: Given that n =10 Find a) Derive the probability for guessing the correct in a ten-item in a true or ...

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Q: The marginal distributions of two random variables X and Y, together with some values of their joint...

A: Solution-: We have following table:   Y=1 Y=2 Y=3 Total X=1 - 0.08 - 0.20 X=2 - 0.32 - 0.80 ...

Q: 1on 16,87. A person applies for 200 equity shares of Rs.10 each to be issued at a premium of Rs.6 pe...

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Q: Ane the events E and F the event "the "sum, is even. independent ? Explain

A: Here two dice are rolled  So Total possible outcomes  = 6×6 = 36

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Q: If X has an exponential distribution with probability mass function Sle-Ax, f(x) = P(X = x) = {de, x...

A: Solution-: We have, The probability mass function of X is,  f(x)=P(X=x)=λ*e-λ*x       ;x≥0          ...

Q: 25. A six-sided die has faces numbered 1, 2, 3, 4, 5 and 6. Suppose the die is "loaded", so that any...

A: Let x be probability of odd face and 2x be probability of even face.   That is 3x+3×(2x) =1 9x=1 x=1...

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A: Given that  N~Poissonλ λ~Uniform0,3

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Q: ) Jim and Paula (husband and wife) sit in the two seats on the far left is b) Jim and Paula end up ...

A: Here Given Four married couple purchased theater tickets and seated in a row consisting of 8 seats o...

Q: A password contains eight digits, such as 17466780. How many different passwords be formed?

A: Here  Password contains 8 digits 

Q: .311 (Ringers are good.) Next week he plans to throw 350 shoes. Assume that Bill's tosses sat- .267 ...

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Q: In a five card poker hand, what is the probability of being dealt exactly one seven and no picture c...

A: Here given five card poker hand dealt from standard deck of 52 cards  Here total picture cards = 12 ...

Q: expected number of times the ball numbered 1 is observed

A: Consider an urn containing 1000 balls. Suppose that the balls are numbered from 1 to 1000. If we dra...

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

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Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has a = 60 an...

A: Here AS per note I have calculated Q 44 Here use basic definition of Residual 

Q: How many 12 digit numbers can be formed from 4 ones, 2 twos, 3 fives, and 1 six and 2 nines?

A: We have given that  1 = 4 times 2 = 2 times 5 = 3 times 6 = once9 = 2 times

Q: Let {X„} be a time homogeneous Markov Chain with sample space {1,2, 3, 4} and transition matrix P = ...

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Q: calculate the expected value of X.S

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Q: The probability of committing a Type II error is B. Select one: O True O False

A: We know that, The probability of committing a type II error is equal to one minus the power of the t...

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

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Q: bob owns 10 different books. He wants to grab 4 of them and throw them into his backpack. How many d...

A: Solution-: We have 10 different books Bob wants to grab 4 of them and throw them into his backpack. ...

Q: Using all 1991 birth records in the computerized national birth certificate Center for Health Statis...

A: Given data,Mean μ=3432sd    σ=482

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Q: Theorem 1.2.2 (De Morgan formulae) For any two sets A and B, (i) (A U B)' = A'N B' (ii) (AN B)' = A'...

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Q: llustration 16.74. How many throws with a single die must a man have in order that his chance of thr...

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Q: ased on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a s...

A: We have given that  Sample size n =22 Population proportion p=56%=0.56  

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 ...

A: Given,digits is 0,1,2,3,5,7,8,9

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: The probability density function of the life span of a battery is given by the function below, where...

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Q: The probability distribution for the number of students in Statistics classes offered at a small col...

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Q: You are tasked to arrange five different Mathematics books, four different Science books and three d...

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Q: Nlustration 16.21. There are three plants in a factory producing the same product independently. Exp...

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Q: Below is a graph of a normal distribution with mean u=-2 and standard deviation o= 2. The shaded reg...

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Q: Twelve officers of an organization are to be divided into committees. In how many ways can the offic...

A: For the given problem select the correct choice

Q: It is a striking fact that the first digits of numbers in legitimate records often follow a distribu...

A: Given information: First digit 1 2 3 4 5 6 7 8 9 Proportion 0.301 0.176 0.125 0.097 0.079 0.067...

Q: Two dice are tossed. The probability that the sum of each dice is a prime number is: O 9/36 O 14/36 ...

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Q: a) brow a tree diagram for this experimente ba) what is the probability the second marble drawn is g...

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  HERE define events and draw tree diag...

Q: How many three-digit odd numbers are possible if the leftmost digit cannot be zero?

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Q: (a) both machines will be performing a usual function, (b) neither will be operating, (c) only machi...

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

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A: In the given question, we are given a ANOVA comparison between BP recordings for various positions. ...

Q: Exercise III.4. Suppose that for i i is a random variable R; which is uniformly distribution on [0.0...

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Q: Time left 0:57:32 Toll Brothers is a luxury home builder that would like to test the hypothesis that...

A: We have given that  Sample size n =25 Variance ?2 =160000 Standard deviation =390 Level of significa...

Q: In a lottery, the top cash prize was $646 million, going to three lucky winners. Players pick four d...

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