x < 0 0 < x < 1 F (x) 3x 2 1

Q: I need clarification on two topics in Business Statistics, this is density function. And poison prob...

A: Poisson Distribution: A discrete random variable X follows Poisson distribution with parameter λ, if...

Q: If your sample mean is 56.2, with an upper limit to your confidence interval of 59.94, what is the l...

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Q: Example 2-5. Obtain the median for the following frequency distribution: x : f : 1 2 3 4 6 7 i 16 15...

A: Data given  X Frequency 1 8 2 10 3 11 4 16 5 20 6 25 7 15 8 9 9 6

Q: The number of employees, wages per employee and the variance of the wages per employee for two facto...

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Q: A car plant produces about one hundred cars per day independently of any other day with probabilitie...

A: A Markov chain is a process Xt: t≥0 that satisfies the Markov's property. Here, Xt is the state of t...

Q: Given the following contingency table, conduct a test for independence at the 10% significance level...

A: Given, Given the following contingency table, conduct a test for independence at the 10% significanc...

Q: Construct a pie graph for the relative frequency

A: Given: range=24 no of classes=5 class interval=5 classes relative frequency 120-125 5 126-13...

Q: survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches. To test ...

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Q: From the following data compute the value of harmonic mean: Class interval 10-20 20-30 30-40 40-50 5...

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Q: Kindly give step by step explanation so that I can understand Suppose that you have eight cards. Fiv...

A: The likelihood of the event happen is know as probability. If the event is already occurred based on...

Q: T3-M4, a legendary astromech droid from the Old Republic, wants to examine the effectiveness of his ...

A: A distribution with bell shaped curve is called normal distribution which is symmetric about the mea...

Q: 23- a. The population 3,9, 14, and 20 has standard deuiation mean of o and the of 4.356. The z-score...

A: Population (X) : 3,9,14,20 n=number of values in data set = 4 mean=Σxn=3+9+14+204=464=11.5   std.dev...

Q: A startup company selling a board game must decide on the number of products to produce. A board gam...

A: @solution::: im solving only a and b party . thank you .   Here given bord game Cost =€6 per unit Se...

Q: 3. Suppose a random sample of size 7 gives the following data: 9. 10 12 14 15 23 42 a) · Calculate t...

A: Given that ; A data set is 9, 10,12 , 14,15,23,42 n = 7 We use formuae Mean = sum of all observation...

Q: To earn full credit for this question, use your own sheet of paper to solve the problem, showing all...

A: All the answer are given

Q: Suppose that the signal X- N(0, o) is transmitted over a communication channel. Assume that the rece...

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Q: A population consist of numbers 3,6,9,12, and 20 and the sample size n=3 (apply the 8 steps ,upload ...

A: Population Numbers are 3 6 9 12 20 From the given population samples are prepared with size 3 ...

Q: A bottled water company has found in the past that 2% of their bottled water does not meet the compa...

A: Given that  Number of trials n=12 Success of probability p =0.02

Q: 1. what is the population mean? 2. what is the sampling distribution mean?

A: We have given that  Population values : 2 4 8 Then we have to find the all possible samples of size ...

Q: Prepare a frequency table with class interval of 10 kg. and first class as 40-50. Also find out the ...

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Q: A fair die is thrown 13 times. Find the probability that the number of fives obtained is between 1 a...

A: Let X be the number of getting 5  Let p be the probability of getting head  S=sample space={1,2,3,4,...

Q: In 2014 the NY Yankees had a team batting average of u-245 (actually .245 but we'll multiply by f000...

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Q: What sampling technique was used?

A: here use definition of sampling method  

Q: The cost for board exam review services costs P11500, P11750, and P11250 for years 2018, 2019, and 2...

A: Given : Minimum cost = 11250 Maximum cost = 11750 Average cost = 11500 Range=?

Q: A large group of students took a statistics test.               The mean score, from the scale of 10...

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Q: What is the test statistic z? Ex: 1.23 ©

A: Given: Proportion to be tested p0=0.69 Sample size, n=193 No. of customers satisfied, x=146

Q: Example 8-15. Determine the binomial distribution for which the mean is 4 and variance 3 and find it...

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Q: Clarice, John, Dominique, Roberto, and marco work for a publishing company. The company wants to sen...

A: Here Given  Clarice, John, Dominique, Roberto, and marco work for a publishing company. Company want...

Q: The histogram below shows the neck sizes (measured in inches) of 250 men recruited for a study in Ut...

A: Introduction: The distribution of neck sizes (inches) of 250 men recruited for a study is shown in t...

Q: Find the value of u, and u, from the following data: Intelligence Scores f 40-44 3 35-39 30-34 25-29...

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Q: If it is equally likely an employee will go to either bin and select a component randomly what is th...

A: Let us define some events A : employe goes to shipment I. B : employe goes to shipment II. E : compo...

Q: 72-72.99 class has the What highest frequency percentage (%) of students got a final grade higher th...

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Q: When conducting a retrospective cohort study what are some possible selection and information bias o...

A: The study is categorised into 2 Prospective cohort study Retrospective cohort study Prospective co...

Q: Example 9-32. Show that the mean value of positive square root of a y (u) variate is T(u +;)/T(u). H...

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Q: (a) The mean and S.D of a set of 100 observations were worked out as 40 and 5 respectively. But by m...

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Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 yellow ​balls, 6 black...

A: Given  20ball=8(yellow)+6(black)+4(red)   

Q: Telephone interviews of random sample of 211 registered voters are performed and each person is aske...

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Q: The Medical Association of Trinidad and Tobago is interested in determining the impact of a new drug...

A: From the provided information, Sample size (n) = 11 Confidence level = 95%

Q: A manufacturer of blades knows that 5% of his product is defective. If he sells blades in boxes of 1...

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Q: How can I view boxplots and histogram on ti83

A: The TI-83 is a series of graphing calculators manufactured by Texas Instruments. The original TI-83 ...

Q: The owner of a small dell is trying to decide whether to discontinue selling magazines. He suspects ...

A: If each trial has only two possible outcomes, that is, success and failure, the probabilities of suc...

Q: the production line and were tested. Below are the measured resistance of the d resistors. [220.8, 2...

A: We have given that data  220.8, 221.9, 223.2, 219.1, 222.8, 219.2, 219.4, 219.5 First I want to find...

Q: a. Roll all 3's? b. You roll all odd numbers? c. You roll at least one 5?

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Q: A factorial experiment involving two levels of factor A and three levels of factor B resulted in the...

A: For the given data find test statistic ,p values ,conclusions for  Factor A, Factor B and Interactio...

Q: major videocassette rental chain is considering opening a new store in an area that currently does n...

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Q: This frequency histogram present the final grades of a random samp of 100 college students. 18- 15- ...

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Q: 4. Events occur according to a Poisson Process with rate A events occurred during the first hour. 10...

A: Given λ=10/hour2 events occured during 1st hour

Q: The mean and standard deviation of 200 items are found to be 60 and 20 respectively. If at the time ...

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Q: Calculate the first four moments about the mean for the follow- ing data. f Scores 5 10 15 20 25 30 ...

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Q: Look at the normal curve below, and find , +e, and a. 44 46 48 50

A: Given that  Normal curve below