Question 21 The probability density function of random variable Xa given by 12(-) ocsel ochervise Find the cumulative distribution function of the random variable X F(x)= +4 0

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A: Given: For station A μ=35σ=8 For station B μ=30σ=5

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A: The simplex method (BigM method) Max z=y1+y2-2y3subject to y1+2y2≤5y1-y2-3y3≤4and y1≥0,y2≥0,y3≥0 The...

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Q: A random variable X has a uniform distribution over (-3,3). Compute i) P(X=2), P(x K) =}

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Q: What is the test statistic for this procedure?

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Q: Draw a normal curve with u =57 and o = 16. Label the mean and the inflection points. Choose the corr...

A: Given that  The normal distribution with  Mean (μ) = 57  Standard deviation (σ) = 16   We know that ...

Q: Example 13. Two variables gave the following data: X = 20, Y 15. 0. 3, r = 0.7. %3D = 4, o. %3D Obta...

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Q: II. calculate the probabilities 1. P(0<z<144) 2. P(-2.81 <z<0) 3. P (z<-0.73 ) 4 P(-3 10 <z<190)

A: As per bartleby guideline expert have to answer first three subparts only dear student please upload...

Q: 4. On a certain standardized test, the population mean is 250 with a standard error of the mean of 2...

A: Given: Population mean, μ=250Standard error of mean, σx¯=25

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A: According to the given information, we have Mean = 22 Standard deviation = 5 Sample size = 100 Confi...

Q: If the z-value is within the critical region, what should be done with the hypothesis?

A: Rejection rule:1) if the test statistic value  fall outside critical regionthen we fail to reject th...

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Q: There are 10 class intervals. The sample size is 50. The lowest score is 17. The highest score is 44...

A: Introduction: It is required to identify the median class interval.

Q: wing probablity distribution, the random variable x represents the number of activities a pare ade s...

A: This is a discrete probability distribution because the sum of the probabilities is ? and each proba...

Q: Example. 40. Find the H.M. of 4, 6 and 10.

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Q: According to Dietary Goals for the US (1977), high sodium intake may be related to ulcers, stomach c...

A: We have given that  Sample size n =9 Sample mean =214 Standard deviation =7.5

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Q: If 12 = 0-5, r31 = 0-3, 123 = 0-45, find R3-12.

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Q: Find the z-score for which the two-tail probability that falls more than z standard deviations from ...

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Q: A distribution of exam scores has a population mean of 90 and a population standard deviation of 10....

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Q: 3 Given a normal distribution with population mean of 42 and population variance of 16 the area to t...

A: 3)GivenMean(μ)=42variance(σ2)=16standard deviation(σ)=16=4

Q: Example 11. Find the mean values of two random variables x and y and the correlation pefficient betw...

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Q: pla gav 0.251 0.263 0.239 1.0 0.299 5.0 0.286 0.268 0.339 3.3 5.5 3.8 3.5 7.3 USE SALT catter diagra...

A: Given: x y 0.239 1 0.251 3.3 0.286 5.5 0.263 3.8 0.268 3.5 0.339 7.3 0.299 5

Q: Suppose (; – a)² = 4, E(yi = 9)² = 10, and (r-7)(yi – 9) = 20. Then the slope coefficient from an OL...

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Q: 3.1 If Y is a random variable with moment-generating function m(t) and if Z is given by Z = pY + q. ...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: The mean salary offered to students who are graduating from Coastal State University this year is $2...

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Q: lake contains 100 fish, 20 of which have been tagged as part of a study. Four fish are chosen at ran...

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Q: čach of 20 lots of rubber belts contains 2000 rubber belts. Number of defective rubber belts in thos...

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Q: (b) Use a calculator to verify that Ex = 150.4, Ex2 = 3225.14, Ey = 244, Ey2 = 9570 and Exy = 5244.2...

A: For the given data find Correlation ( r ) = ?

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A: Given : Sample size (n) = 5 Sample mean (X¯) = 16.5 Sample S.D (S) = 9.6 Confidence interval =90%  S...

Q: Example The first four central moments of a distribution are 0, 2.45, 0.7 and 18.75. Calculate the m...

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