26. In how many ways can: a. five people be seated in a row? b. eight people line up for registration?

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A: Given Data : Population Mean,μ = 99 Population Standard Deviation,σ = 12

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A: Given : Probability,p = 0.30 number of trial,n = 8

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A: Given that                      We have to find sample standard deviation :

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A: Let X be the random variable from normal distribution with mean (μ) = 119.2, standard deviation (σ)…

Q: The

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A: Given Data Sample Size, n = 368 Number of successes, x = 94

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Q: 2. A heavy vehicle has five identical axles each of which has 8 identical wheels, four on each side.…

A: Each tire has a reliability of 0.9 but for an axle to be fully functional it is required to have at…

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Q: Show that if X and Y are independent rv's, then E(XY) = E(X) · E(Y). [Hint: Consider the continuous…

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Q: The number of bacteria in a culture is increasing according to the law of exponential growth. The…

A: Given data n=260 And given  the population after 12 hours is double the population after 1 hour

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A: Given the transition probability between states is given by

Q: Question * Suppose X, Y are two discrete random variables with probability function given by: Y\ x…

A: XY -1 0 1 Total -1 1/10 0 2/10 3/10 0 2/10 1/10 1/10 4/10 1 0 2/10 1/10 3/10 Total 3/10…

Q: [4+Be. x>0 2. F(x)={ l0. is the cumulative distribution function for some continuous rv. Find A=.…

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Q: Question Suppose X, Y are two discrete random variables with probability function given by: Y\ X 1/9…

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Q: Given the following sampling distribution of one mean with a sample size 49, from a normally…

A: The sampling distribution of one mean with a sample size 49, from a normally distributed population.…

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Q: The joint probability distribution function of a discrete random variable is f(x,y) = cxy for x=1,…

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Q: Can someone show the steps on how to find the question 1 in

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A: Given: n=16x¯=24.0s=3.4CI=95%=0.95

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A: here given ,  p(a ≤ X ≤ b) = ∫ab1μ e-x15 dx

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Q: Example 10.18 A random sample of n = 25 was selected from a normally distributed population. The…

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Q: Check our blood pressure: In a recent study, the Centers for Disease Control and prevention reported…

A: Let X be the random variable from normal distribution with mean (μ) = 80.1 and standard deviation…

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A: Given,x¯=80.59Z-score=0.1actual test score(X)=80.71

Q: Cov(ax + b, cY + d) = - E(ax + b)E +, )-)) + adx + bcY + bd - ((аЕX) + b) + adE(X) + bcE(Y) + bd = +…

A: Solution

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A: Given: Old or regular price = 439 New price during sale = 379.99

Q: In the instant lottery with 30% winning tickets, if X is equal to the number of winning tickets…

A: Given :  Probability of success,p = 0.30

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A: The disyribution function is defined as F(x) = P(X ≤ x)  Let Y be the probability that a student…

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A: First we have to calculate the Var(Y) as Var(Y) = E(Y2) - [E(Y)]2

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A: Solution

Q: vey of 38 families found that their newborn child used an average of X-3,796 diapers in their first…

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Q: In a health examination survey of a prefecture in Japan, the population was found to have an average…

A: Given that Mean =99 ,s.d =12 Find p ( 90 < x <111 ) = ?

Q: Consider the following table with information about a sample of students from Phoenix High School…

A: Formula : P(A or B) = P(A) + P(B) - P(A n B)