A system consisting of one original unit plus a spare can function for a random amount of time X. If the density (Cxe-x/2, x > 0 0, function of X is given (in units of months) by f(x) = what is the probability that the system otherwise functions for at least 5 months?

Q: Test the claim that the mean GPA of night students is significantly different than the mean GPA of…

A: Givenn1=30x1=2.68s1=0.3n2=40x2=2.61s2=0.2significance level(α)=0.02

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A: Since multiple parts are given , part a is answered completely. Kindly repost for more help

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Q: Challenge 4: Binomial Distribution 1. How many ways can a team of 7 be chosen from a panel of 20?

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Q: A Markov chain has the transition probability matrix 0.3 0.2 0.5 0.5 0.1 0.4 0.5 0.2 0.3 Given the…

A: Pr(X1=3, X2= 1) = Pr(X2=1, X1= 3)  Using Markov chain, = Pr(X2=1/X1=3)*P(X1=3) Given that, P(X1=3)=…

Q: • What is the probability that you need to report to work on the 2nd day (i.e., P(Day 2 = On Duty))?…

A: From the Markov Chain diagram, we have the transaction matrix as  P=0.850.150.200.80 1) Therefore,…

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A: We have given that  Americans = 3 Frenchmen = 4 Danes = 4 Italians = 2

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Q: a) Find the probability that the person uses website B. The probability is (Simplify your answer.)…

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Q: q1-  For borrowers with good credit scores, the mean debt for revolving and installment accounts is…

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Q: Consider a sample with data values of 10, 20, 16, 12, and 17. Compute the mean and median. mean…

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Q: You carry seven keys in your pocket, two of which are for the two locks on your front door. You lose…

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Q: 3.) Quartiles The prices of a gallon of the 21 top-rated interior paints, as rated in the March 2010…

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Q: 1. Find the areas under the normal curve. A. Right of z = 2.13 B. Left of z = -1.03 C. Right of z…

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Q: Example 2 Discrete Series Find the mean for the given frequency distribution: X: 1 2 3 4 5 f. 3 5 12…

A: Given that  Frequency distribution table X Frequency  1 3 2 5 3 12 4 9 5 1

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Q: Suppose random variables X and Y are conditionally independent given random variable Z, i.e. P(X,…

A: Given that, P(X, Y|Z) = P(X|Z)P(Y|Z) (a). Then  P(Y/X,Z)= P(Y,X,Z)/P(X,Z)  (X and Y are…

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Q: Q12. In how many ways the letters of the word 'FUNAMBULIST' can be arranged in a circle such that N…

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Q: Example 2 Locate the mode from the following frequency distribution. Marks: 40 50 60 70 80 90…

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Q: The probability of A is 0.4. The probability of B is 0.5. The probability that neither A nor B…

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Q: 1. A normal population has a mean of 73 and standard deviation of 14. You select random samples of…

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Q: 7) An offshore platform is designed for a 50+10-year wave (turnover period), however the platform is…

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Q: Assume that at the airport security check, 60% of all passengers are selected for a random bag…

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Q: 7.) Assume the annual salaries of police officers are normally distributed with a mean of $50,000…

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Q: Problem 7. Let A = {1, 2, 3, 4}, B = {1, 2, 3} and C = {2, 4}. Find all sets X %3D satisfying each…

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Q: Draw and Shade the normal curve, find the percentage of that shaded part and find the number of…

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Q: Here is a bivariate data set. y 54.7 71.7 56 32.8 82.5 79.6 49.7 25.4 73.2 88.1 71.4 78.7 81.1 85.8…

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Q: Example 2. In a class of 50 students, 40 speak Hindi, 20 speak both English and Hindi and all the…

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Q: 2. p- value approach: Fill in the blanks in the table below. Test Statistic Significance Level |…

A: Given that  Claim on one tailed (right) and two tailed.