Suppose X, Y and Z be random variables with j.p.m. f. f(x, y, z)= kxyz with x E {1,2}, y = {1, 2, 3), and z E {1,2}

Q: p.d.f. h(x) of the random variable x is defined by h(x)=3/(4(1-x²)),-1<x< 1,Calculate the standard…

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Q: 1. A manufacturing plant consists of four machines, independently operating, to produce a certain…

A: The reliability or the probability of working of the four machines is as follows: Machine…

Q: Why can decreasing the probability of a type I error cause an increase in the probability of a type…

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Q: an experiment where 2 balls are drawn successively at random without replacement from a box…

A: Given that  Box contains  Red balls = 2 Green balls = 3 Blue balls = 2 Total balls in box = 7 We…

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: To find: How many combination of exactly 3 toppings could be ordered

Q: ven below. X₁, X2, Xn (1)

A: Given: f(x)=(θ+1)xθ,0&lt;x&lt;10, otherwise

Q: Weights of female cats of a certain breed are normally distributed with mean 4.1 kg and standard…

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Q: An unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all the problems.…

A: n = 10 questions true false questions  so p(correct guess) = p = 1/2 x = no. of correct answer by…

Q: Traffic fatalities occur at the rate of 1.32 fatal accidents per 100 million miles. Find the…

A: GivenTraffic fatalities occur at the rate of 1.32 fatal accidents per 100 million milesλ=1.32…

Q: Do college students enjoy playing sports more than watching sports? A researcher randomly selected…

A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.01

Q: 1. At the horse races, the chances of a horse winning is expressed as odds against. In the first…

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Q: -Given that P(a) = 0.2 and P(b) = 0.6, in which of the following joint probability table: are P(A)…

A: Independent: If two events are independent if P(A and B)=P(A)*P(B). Here P(a)=0.2 and P(b)=0.6.

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

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Q: What are the differences between the two types of random variables in statistics? B i U Font Family…

A: Answer:

Q: A. What is the probability that the chosen driver is wearing seatbelt and driving not under…

A: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

Q: e final exams were as in the follow . Therefore, the grade of the stud

A: Subject A B C D E F G H Score 57 76 78 84 53 72 65 91 Unit 5 5 5 4 4 3 3 2   The given…

Q: Is the given statement true or false? nC₁= "Cn-r O a. False b. True O

A: Given: nCr = nCn-r

Q: I want it through probability and random variables with maximum speed Q4: b- Find the value of the…

A: Formula : ΣF(X) = 1

Q: 0.10, and 0.20, respectively, what is the probability that the system functions?

A: here given ,  p(A') = probability of A fail =  0.10 , so p(A) = 1- p(A') = 1 - 0.10 = 0.9  p(B') =…

Q: The logistic model P(n) = OA. a) Use a graphing utility to graph P= P(n). The graphs are shown in…

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Q: Given A and B in Ω with p(A)=0.45, p(B)=0.75 and p(B-A)=0.5, calculate p(B|AUB)

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Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

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Q: Given a deck of 52 playing cards, in how many ways can a hand of 5 cards be dealt such that exactly…

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Q: X 1 2 expecta ctation fo P(x) 0.23 0.41 0.19 0.17 3 4 OA) 1.0 O this probability distribution?

A: x P(X) X*P(X) 1 0.23 0.23 2 0.41 0.82 3 0.19 0.57 4 0.17 0.68

Q: Calculate the means and standard deviations of:37, 26, 19, 21, 19, 25, 17 6.9;3 .a O 2.414 :3 .b O…

A: Mean and sd are calculated using respective formulas.

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A: Here define events  Initial Repair made by hamza = H Initial Repair made by hamza = y Initial…

Q: A variable that can assume any value between two given points is called Continuous random variable…

A: In above question we will discuss about continuous random variable and whether above statement is…

Q: 26 Is it possible to take a walk around the city whose map is shown below, starting and ending at…

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Q: In how many ways could 5 chocolate bars be choosen from a display of 10 chocolate bars? a. 50 b.…

A: Given No.of chocolate bars in display(n)=10No.of chocolate bars to be choosen(r)=5

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. Assume that…

A: Given information- Population Mean, µ = 63.6 inches Population standard deviation, σ = 2.5 inches…

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. An airline…

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Q: nuclear power station is to be built on one of 20 possible sites. A team of engineers is…

A: The permutation formula is given by nPr = n!/(n-r)!

Q: 5A+2B. The variance of T is 6

A: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B.

Q: A set of measurements {x₁, x₂, x3,...,x,} has a mean of and a standard deviation of s. What are the…

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Q: 19% of all college students volunteer their time. Is the percentage of college students who are…

A: The hypothesized proportion is 0.19.

Q: The standard deviation A) All of these are correct. B) cannot be negative. C) is based on squared…

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Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

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Q: Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A: To find: The probability that both are red marbles.

Q: A random sample of 50 employees is chosen from a company. The average salary of the 50 employees is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 20. Which of the following is a counterexample for the conditional statement "All prime numbers are…

A: Prime number are 2,3,5,7,11,13,17,23,.. We will tell you which one is the correct choice.

Q: Given the following: Number of births between 30 June 2009 and 30 June 2010 in Australia was…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

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Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

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Q: One drawer in a dresser contains 8 blue socks and 6 white socks. A second drawer contains 4 blue…

A: In first drawer:no.of blue socks=8no.of white socks=6Total no.of socks=14In 2nd drawer:no.of blue…

Q: (a) P(X 5) (d) P(X 8)

A: AS PER POLICY I HAVE CALCULATED 3 SUBPARTS , PLZ REPOST FOR REMAING WITH NOTE I NEED THIS THIS  HERE…

Q: Identify the sample space of the probability experiment and determine the number of outcomes in the…

A: Given data isRandomly choosing a number from the multiples of 5 between21 and 49

Q: A variable that can assume any value between two given points is called Continuous random variable…

A: Variable A variable may be defined as a quantity, characteristic, or number that can be measured. It…

Q: One calculates if the average number of Voodents of a cotton Farm is to da nams, it is Particular…

A: From the provided information, x f (x) -1 c 3 0.15 4 0.45

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: Givena)between 0.87 and 1.28

Q: Use the Test for Independence to determine if events A and B are independent. P(A)=0.9, P(B) = 0.5,…

A: Given: P(A)=0.9, P(B) = 0.5, P(A n B) = 0.54 To find: Use the Test for Independence to determine if…