Ep190 Epngo Ep191 Ep91 (v) x 100 Ep 191 Χ 100 (vi)
Q: A company is to appoint a person as its managing director who must be an M. Com, M.B.A., and I.A.S,…
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Q: e. Using 50 random numbers given below, compute the mean and standard deviation. 0.572659 0.378380…
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Q: with a standard deviation of 0.6 ounces. If the manufacturer decides on a significance level of 0.05…
A: Here use single sample t test
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Q: 3. A bank in Ottawa is considering a survey of its customers for the purpose of estimating the mean…
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Q: if μ0=19.53, μ1=19.63, σm = 5, and mcritical= 19.58, calculate β for H1: μ1-μ0 > 0. please use excel…
A: From the given information, μ0=19.53μ1=19.63σm=5mcritical=19.58 H1: μ1-μ0 > 0
Q: 6. Suppose a statistic shows that in a city an average of 3 accidents occur per month, determine the…
A: Given that In a city the average of 3 accidents occur per month X~Poisson(λ=3) X=Number of…
Q: In practice, when comparing two means using small samples, when would you recommend assuming equal…
A: We use the F-test to test for the equality of two variancesF test is a ratio of two variances An…
Q: From the following data compute Laspeyre's Index number for 1998 : Price Quantity Items 1995 . 1998…
A: The given data is: The Laspeyre's price index for the year 1998 is to be calculated with respect to…
Q: NEED THE ANSWER FOR D. The maintenance manager at a trucking company wants to build a regression…
A: Given Time=13.95-0.09 miles-0.02 Load-0.01 speed-0.06 Oil
Q: The President of the Farmers Association wants to know how the amount of fertilizer and the amount…
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Q: a) The table below shows the probability distribution of the discrete random variable X. 2 4. 6…
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Q: From the following data construct the index number for 1998 using the gener weighted aggregative…
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Q: First-semester GPAs for a random selection of freshmen at a large university are shown: 1.9 3.2 2.8…
A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…
Q: 5. A manufacturer claims that the mean tensile strength of thread A exceeds the average tensile…
A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…
Q: 2.3. Let Y1, Y2, .., Yn denote a random sample from a density function given by ye-y/0 f(yla, 0) =…
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Q: Problem #1 The Senior high school students of EClaro wanted to raise money to have their graduation…
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Q: Read the table and answer the question. Favorite Game Soccer Basketball Total Boys 34 106 Girls 28…
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Q: A small set of data has been collected to explore how much of an effect Thawing Degree Days (TDD)…
A: The dependent variable is TDD. The independent variable is Depth of active layer. We have to test…
Q: ly select 14 student cars and find they have a mean age of 7.3 years and a standard deviation of 3.6…
A: Given Test statistic =1.62 ,n1=14, n2=18
Q: Σ, -134 , η 10, s= 3.1 Σ - 40.5 , η 9, σ2.9 = 585.9, , r? = 15472.37, n = 27 ( Please note s? = %3D…
A: Given∑xi=134 i=110n=10standard deviation(s)=3.1
Q: A married couple agreed to continue bearing a new child until they get two boys, but not more than…
A: Let p be the probability of getting boy q be the probability of getting girl p=q=0.5 , n=number…
Q: The table below shows the color and the model of cars purchased by 160 randomly selected customers…
A: There are two categorical variables which are color and model. We have to test whether the clolor…
Q: People with O-negative blood are called "universal donors" because O- negative blood can be given to…
A: It is given that the probability of people have type O-negative blood is p=0.06.
Q: Identify the claim and state the H0 and H1. Find the critical value. Calculate the test statistic.
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: b) The table below shows the color and the model of cars purchased by 160 randomly selected…
A: The given data is: .
Q: A bank find that its saving account balances are approximately normally distributed with mean P 600…
A: Note: According to Bartleby guidelines, we can can answer only first question with their three…
Q: Find a 95% confidence interval for the mean of the depths of all connector modules made by a certain…
A: Formula for confidence interval 95% C.I = ( x̄ ± Zc*?/√(n) )
Q: A large airline company called Fusion Fly monitors customer satisfaction by asking customers to rate…
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Q: enquiry tô the budgets of certain middle class families in a town gave the following information :…
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Q: Examine the following formula in the light of the relevant reversal tests: Ep1 (i) Epo X 100 Ep190…
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Q: (c) Among 20 randomly chosen cars, what is the probability that more than 2 cars will be loaded with…
A: Here use binomial and normal distribution
Q: 7. One of two boxes contains 4 red balls and 2 green balls and the second box contains 4 green and…
A: For the given data Solve the probabilities
Q: From the data given below prove that the Fisher's ideal index number satis the time reversal test…
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Q: normal distribution with mean length of 11 cm and standard deviation of 0.25 cm. (a) What is the…
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Q: It is known that ticks in York County carry the Lyme disease. In a representative sample of 200…
A: Let n=sample size, X=number of Carry disease. p^=x/n X=167, n=200
Q: A process has mean of u= 25 and o=5. A sample size of 5 is taken to control the process using…
A: Note: As per the guidelines, in case of multiple subparts, answer to first three subparts will be…
Q: What percent of the students who had chores also had a curfew?
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Q: Directions: In a contest for Singing, two judges gave their ratings to 6 contestants. Convert the…
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Q: 3. For two independent events, A and B, P(A)=D0.1 and P(B)-D0.5. Enter your probabilities as…
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Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 264 days…
A: From the given information, it is interpreted that the mean pregnancy length (in days), i.e., μ=264,…
Q: In 2008 the Better Business Bureau settled 75% of complaints it received (USA Today, March 2, 2009).…
A: In part b), sample size is 450. In part d), sample size is 200.
Q: Find the probability of getting 7 face cards (king, queen,
A: There are 52 cards in a deck out of which 12 are face cards. These face cards are Jack, Queen and…
Q: Examine the unweighted methods of index number in the light of the order reversal test with…
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Q: Construct the sampling distribution of the sample mean for the following population and with the…
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Q: QUESTION 4 A confidence interval is a range of numerical values that one hopes the population…
A: Given that A confidence interval is a range of numerical values that one hopes the population…
Q: Family Sales in Period Income Pesos (millions) (thousands) 1 20 600 2 30 800 3 25 1,100 4 28 1,600 5…
A: Let X=family income Y=Sales in Pesos Data given X:20,30,25,28,31 Y:600,800,1100,1600,1800 Note:…
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- What is the total effect on the economy of a government tax rebate of $500 to each household in order to stimulate the economy if each household will spend of the rebate in goods and services?A certain organization is deciding between increasing salaries according to the previous year's CPI or receiving a year-end bonus of $150,000. Last year's CPI was 1.64%. a.- If a person receives a salary of $800,000, which alternative seems better? b.- If a person receives a salary of $500,000, which alternative seems better?Compute the following correct to the nearest whole number: a. If 7 out of 10 patients admitted to the hospital are discharged in 3 days or less, how many out of 13,554 recorded admissions exceeded a stay of 3 days? admissions b. A hospital discharged 3,520 patients in January. If 5% developed a hospital-based infection, how many were affected? patients c. A hospital reported 126,778 discharges during the past year. If 35% of these patients were seen in consultation, how many of the discharged patients were seen by a consultant? patients
- In part B, how was 0.5 obtained?A manufacturer of exercise equipment knows that 15% of their products aredefective. They also know that only 35% of their customers will actually use the equipment in the first year after it is purchased. If there is a one-year warranty on the equipment, what proportion of the customers will actually make a valid warranty claim?To determine the effectiveness of an oil additive, a testing firm purchased two cars of the same make, year, and model, and drove each a distance of 30,000 miles using the same kind of gasoline, the same kind of oil, the same driver, under the same road conditions. The oil in one engine included the additive, whereas the oil in the other engine did not. At the end of the test, the engines of both cars were dismantled, and it was found that the engine that contained the additive had less wear. The testing firm concluded that the oil additive caused the reduced wear.
- A iPhone store starts by selling 100 iPhone pre-ordered in week zero and expects to sell an average of 15%more each week after that. How many iPhone is the store expected to sell in week 4?Suppose a company charges a premium of $150 per year for an insurance policy for storm damage to roofs. Actuarial studies show that in case of a storm, the insurance company will pay out an average of $8000 for damage to a composition shingle roof and an average of $12,000 for damage to a shake roof. They also determine that out of every 10,000 policies, there are 7 claims per year made on composition shingle roofs and 11 claims per year made on shake roofs. What is the company’s expected value (i.e., expected profit) per year of a storm insurance policy? What annual profit can the company expect if it issues 1000 such policies? Determine the probability of a composition shingle roof claim out of 10,000 = ______ Determine the probability of a shake roof claim out of 10,000 = ______ How many claims are made out of 10,000? = _______ What is the probability of no claims out of 10,000? = _______ How much does each shingle roof claim cost the company, don’t forget each person pays $150…in a certain city, 60% of the heads of household own the house in which they reside, and 80% of the heads of the household have full-time employment when considering what percentage of heads of household both own their home and have a full-time job, a student estimates that 48% of heads of household fit both requirements, stating that (0.60) (0.80)=0.48. is this student correct in his approach?
