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A: Given that Population mean = μ =40
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A: Given that A random sample of 25 observations taken from a population that is normally distributed…
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Q: 5. A number is drawn at random from the set (1, 2, 3, probability that the number chosen is a. A…
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Q: 1-If P(A)=0.7 ,P(B)=0.2, P(AnB) = 0.5,then P(A U B) = c)2 %3D a)0.6 b) 0.9 d) 0.4
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A: Which of the following is the rejection region if the level of significance is 5%, right-tailed test…
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Q: How many permutations of the 32 letters can be made?
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Q: Example 8.28 Two computers A and B are to be marketed. A salesman who is assigned a job of finding…
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Q: estion Let X and Y be two discrete random variables with a joint probability distribution given by:…
A: let X and Y be two discrete random variables with a joint probability distribution given by:…
Q: random sample of butter of a particular brand has an average fat content of 16 grams and standard…
A: Given that Population standard deviation =3 Margin of error =E =0.18 92% confidence level.
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A: Given Xi~N(μ, σ2)
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A: A necessary condition: It is a condition that must be present for an event to take place. A…
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A: Let X:The score on the national test X~N(μ,σ2)μ=500, σ=100 the cutoff marks for the admission in the…
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A: Let Z be the Random variable from standard normal distribution with mean = 0 and standard deviation…
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A: According to guidelines we solve first three subparts when given multiple subparts.
Q: 5- If Die is rolled find the probability that never appear 2 a) b): d) 3
A: Given that A die is rolled Sample space=S=(1,2,3,4,5,6) A=Never appear 2=(1,3,4,5,6) n(S)=6 ,…
Q: What is the probability of getting an odd numbered card in a regular deck of 52 of card? What is the…
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Q: Andrea did a survey in her statistics class and found that 18 students out of 25 use the library at…
A: Total number of students = 25Number of students uses library atleast twice aweek =18
Q: The breaking strengths of cables produced by a certain manufacturer have a standard deviation of 94…
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Q: Which of the following is NOT related to a probability distribution presentation? histogram…
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Q: Aromatics Chloroalkanes Estersi 1.06 0.95 1.58 1.12 0.29 0.43 0.06 0.06 0.51 0.09 0.79 0.65 1.45…
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Q: A card is to be randomly drawn from a standard deck of 52 playing cards. If event A is drawing a red…
A: There are 52 card in the deck in which they divided into two color i.e red(26) and black (26). These…
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A: Researchers are bound to encounter either of the two errors in hypothesis testing.
Q: Example 2.1.1 Let 2= R, and suppose P is a probability measure on R. Define F(x) by F(x) =…
A: Given that P is the probability measure on ℝ and Ω=ℝ. Then Fx=P(-∞,x] , x∈ℝ is right continuous.
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Q: A box holds 2 red beads and 3 green beads. One bead is drawn and not replaced. 1 red bead and 2…
A: A tree diagram is used to represent a probability space. Each node of the tree on the diagram…
Q: Problem 1: Consider random sequence X1, X2,.... Suppose for all i, E[X;] = 1. Further k = 0 for all…
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Q: Let X denote the vibratory stress (psi) on a wind turbine blade at a particular wind speed in a wind…
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Q: A study of the consultants in a particular industry has determined that the standard deviation of…
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Q: 1. The content of a medium jar of jocoque follows a normal distribution with a mean of 500 grams and…
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Q: 12. It is the square of the population standard deviation. Answer:
A: ( 12 ) It is the square of the population standard deviation .
Q: Find x and y. if (x y) (² _-3) = 4 -1 = (2-4).
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Q: A researcher wants to estimate the proportion of depressed individuals taking a new anti-depressant…
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Q: Example 8.23 A letter is chosen at random from the word 'PROFESSOR": (a) What is the probability…
A: We have given that the word ‘PROFESSOR’. Total number of letters in this word = 9
Q: Assume Z has a standard normal distribution. Use Appendix Table III to determine the value for z…
A: Given that. X~N( 0 , 1 ) μ=0 , ?=1 (for standard normal distribution) Z-score =( x - μ )/?
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A: Ans#- Given X~N(μ,σ) where μ = 1 hour = 60 minutes and σ = 5 minutes Find…
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A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…
Q: 4. Two cards are drawn at random from an ordinary deck of 52 playing cards one at a time with…
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Q: Peter went shopping for dinner. The vendor “accidentally” mixed all the chicken and duck eggs.…
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Q: Question 2 In 2007 the US Census Bureau reported that 71.3% of American families owned their homes.…
A: concept: Type I error is the probability of rejecting null hypothesis when it is actually true.…
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