Problem :A system consists of three units connected in series. The reliability of components are 0.91, 0.72 and 0.78. If the system reliability is to be 0.68, how should it be apportioned to the three units?

Q: Q 11 Some components of a two-component system fail after receiving a shock. Shocks of three types a...

A: Given : X1 and X2 denote the servival times for the two components. 

Q: The data below are the monthly average high temperatures for November, December, January, and Februa...

A: Given information- We have given the data below are the monthly average high temperatures for Novemb...

Q: Property 9. If u, exists, then µ' exists for all '13 s <r. Mathematically, if E (X") exists, then E ...

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Q: Let p be the population proportion for the following condition. Find the point estimates for p and q...

A: Given: n=4507 No of successes(x)=2262

Q: A college lecturer randomly selected thirty-five students in his class to complete an assigned task ...

A: Solution-: We find, (a) Using the same value of x¯, find the new confidence interval in this case. (...

Q: The random-number generator on calculators randomly generates a number between 0 and 1. The random v...

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Q: 8. An HP laser printer is advertised to print text documents at a speed of 18 ppm (pages per minute)...

A: Given that, For HP printer mean = 17.57, SD = 3 For brother printer mean = 17.21, SD=4 P(Xbrother - ...

Q: At a factory, batteries are produced with a standard deviation of 3.2 months. In a sample of 81 batt...

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Q: Find the percentile for the data value. Note that the data values are in ascending order. Data set: ...

A: The ascending order data set is, 2, 3, 3, 3, 3, 3, 4, 7, 7, 7, 8, 8, 9, 12, 14, 14, 14, 14, 14, 15 T...

Q: make per day. They collected the following data: Number of Workers (X) Number of Cars (Y) 8. 4 10 a)...

A: Given : X Y 2 3 3 8 4 10

Q: recent study focused on the amount of money... A recent study focused on the amount of money single...

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Q: A manufacturer of potato chips would like to know whether its bag filling machine works correctly at...

A: Given data : sample size, n =26 sample mean, x̄ = 427 sample standard deviation,s=...

Q: A' Based on the Venn diagram, the correct statement is Select one: O a. n(A) + n(A)' + n(U) O b. n(A...

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Q: Say you have a regression where you are regressing wages on several variables, one being Years of Ed...

A: 1) Regression Equation 1: Wages (Y) = β0 + β1 * Years of Education (X1)  where Dependent variable (Y...

Q: 1 Consider two events A and B such that P(A) = , P(A/B) = – and P(B/A) = Examine the following state...

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Q: We decide that we can certainly increase our chances of winning if we bet on a color instead of a nu...

A: Given Information: The Roulette wheel has 37 slots among which 18 are red, 18 are black and 2 are gr...

Q: For the following situations, identify the type of variable (qualitative, nominal, ordinal, quantita...

A: 1. As weight gain of rats is a numerical variable that takes any values hence it is a continuous qua...

Q: Refer to the contingency table shown below.   Smoking by Race for Males Aged 18 to 24   Smoker (S) ...

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Q: The table below gives the list price and the number of bids received for five randomly selected item...

A: Fir the given data set 1. Find the estimated slope. Round your answer to three decimal places.2.  Fi...

Q: You volunteered to be part of the medical mission in your barangay and were in charge to get the wei...

A: Probability : Probability is defined as i ratio of something is going to happen. Probability alawys ...

Q: Match each scatterplot shown below with one of the four specified correlations. a. 0.84

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Q: Let p, q, and r be simple propositions. [¬(r ^ q)] V (¬p Vq)

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Q: A company manufactures tennis balls. When its tennis balls are dropped onto a concrete surface from ...

A: Given Information: The hypothesized mean value μ0=54.7 Sample size n=25 Sample mean x¯=56.8 Sample s...

Q: Assume that the random variable X is normally distributed, with mean u = 53 and standard deviation o...

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Q: Which of  the following samples will get us a larger t(calcuated value) and increase the power of th...

A: The formula of z Statistic is, z= ( x̄-μ)/σ/√n Where x̄ is sample mean, μ is population mean and σ i...

Q: Suppose the length of time a person takes to use an ATM machine is normally distributed with mean u ...

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Q: Use a T-test of the data given in the picture, compare it with a P value(one tailed) and do a statis...

A: The three pairs Male and Female, Male and Male and injected male and male, and objective is to apply...

Q: The scores of students on the SAT college entrance examinations at a certain high school had a norma...

A: Here, mean is 559.2 and standard deviation is 28.8.

Q: Determine if the following statements are true or false, and explain your reasoning. If false, state...

A: Decreasing the significance level α will increase the probability of making a Type I Error - False. ...

Q: What is the variation, standard deviation, and standard error of the following data set: 1.68, 1.57...

A: Given data is 1.68,1.57,1.63,1.77,1.55,1.68,1.60,1.68,1.59,1.63,1.63sample size(n)=11

Q: probability of randomly selecting someone with an IQ score that is (a) less than 80? (b) greater tha...

A: NOTE: as per policy i have calculated 3 subparts plz repost from reamining here mean = 100  and stan...

Q: For items a - j, refer to this) 1. A marketing research consultant conducted a survey of 40 persons ...

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Q: 1 Consider two events A and B such that P(A) = , P(A/B) and P(B/A) = 7 1 Examine the 6 following sta...

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Q: Q4. TheBinomial random variable, T~ B(20,0.4). Find the Pr( T= 8). С. 0.36 ww A. 0.12 В. 0.18 D. 0.4...

A: Let T be the random variable from Binomial distribution with probability (p)=0.4 and sample size (n)...

Q: 2. A large but sparsely populated county has two small hospitals, one at the south end of the county...

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Q: Problems Calculate the answer to each problem. You may use your calculator. Show some work. 14. Cons...

A: Speed(mph) 50-59 60-69 70-79 80-89 90-99 Total Frequency 1 8 6 3 2 20 Relative frequency 1*100/2...

Q: |0, elsewhere Find the expected value of f(x) =x² – 5x + 3

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Q: Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the ...

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Q: Foodland shoppers have a mean grocery bill of R370 with a standard deviation of R100. What is the pr...

A: Let X be the random variable from normal distribution with mean (μ) = R370 , standard deviation (σ) ...

Q: In a large population of adults, the mean IQ is 110 with a standard deviation of 24. Suppose 60 adul...

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Q: Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 a...

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Q: A variable is normally distributed with mean 10 and standard deviation 2. a. Find the percentage of ...

A: Let X is the variable which follows normal distribution, X~N(10,2) It is known that,  Z score= (X-μ)...

Q: Exercise 6: A reporter for the local newspaper is preparing an article on the ice-cream stores in th...

A: d) Given data is 2.48,2.57,2.30,2.79,2.25,3.00,2.82,2.72,2.55,2.98,2.53,2.40,2.80,2.50,2.65Arrange t...

Q: Q8. The Random variable, Z ~ N(0,1). Identify the correct statements: Z is the Standard Normal varia...

A: If any random variable follows normal distribution with mean 0 and standard deviation 1 then it the ...

Q: Consider the probability distribution for the number of red pens when 4 pens are selected at random ...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: If the weight (in grams) of cereal in a box of Lucky Charms is N(485,3), what is the probability tha...

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Q: A golf ball is selected at random from a golf bag. If the golf bag contains 6 red balls, 6 green bal...

A: Given,no.of red balls=6no.of green balls=6no.of brown balls=6Total no.of balls=18

Q: A botanist is interested in testing the Ho: u = 3.5 cm versus H3: u > 3.5 cm, where u is the true me...

A: Given the claim about the mean petal length with MCQs . We need to choose the correct statement for ...

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=5n=5 times. Use some ...

A: Given:  Random variable x follow binomial distribution (n=5,p=0.224)  Then probability distribution ...

Q: 3. In a bar graph of qualitative data, the highest bar always corresponds to that data's А. Мean В. ...

A: 3)  The highest bar always correspond to that data is Mean Option (A) is correct