Studies of a machine component showed that the time the component operates before breaking down is exponentially distributed with a mean of 1000 hours. Calculate the maximum operating hours if the reliability is to be above 99% Options : a) 12.67 hours b) 9.54 hours c) 10.05 hours d) 6.58 hours

Q: Refer to Exercise 10 in Section 3.2. Assume that X = 30.0 ± 0.1 Pa, h = 10.0 ± 0.2 mm, and μ = 1.49…

A:

Q: Consider the following model of wage determination log(wage,) = 3o+Biedu; + B₂zp. + B3 female; +34…

A: For OLS estimation we are required to fulfill the following assumptions 1. The residuals from the…

Q: Infants, even newborns, prefer to look at attractive faces compared to less attractive faces…

A:

Q: 4) Find the indicated probabilities, given that the lifetime of a lightbulb is exponentially…

A:

Q: The table given below indicates Small Holding Ltd.'s quarterly profits in 2019 and 2020. Time Period…

A: Regression: Regression defines the relationship of dependent variable with two or more independent…

Q: Two 100-horsepower motors are being considered for use in the following table: Brand X Brand Y…

A: Two 100 horse power motors are being considered to sue in the table,   Brand X Brand Y…

Q: a)Outline the diffences between simple, double and triple exponential smoothing? b) Consider the…

A: Exponential smoothing of time series  data assigns exponentially decreasing weights for newest to…

Q: In a certain suburb of Montréal, residents have expressed their worries about the quality of the…

A: Given information: The environmental standard is a PM2.5 concentration of 15 µg/m3 or less. The…

Q: Infants, even newborns, prefer to look at attractive faces compared to less attractive faces…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: An author daimed that his annual book sales increased after the year 2000, Past data indicates that…

A: State the hypotheses. That is, there is no evidence that the average annual sales has increased…

Q: From a cross-sectional life table provided, answer the question below: Age group Death Population…

A: Life tables are used to project future population on the basis of the present death rate.…

Q: Using an initial forecast of 22 units and an alpha of 0.25, the exponential smoothing forecast for…

A: The exponential smoothing forecast formula is, Ft=αYt-1+1-αFt-1 In the formula, α is the smoothing…

Q: A federal report indicated that 13% of children under age 6 live in poverty in Minnesota, an…

A: compute sample size ( n ) = n=(Z/E)^2*p*(1-p)

Q: greater than 30 parts per billion. To test this estimate, you determine the 29 17 44 23 22 35 23 17…

A: For the given Sample :  The Standard Deviation, s : 9.195 Null and Alternative Hypotheses The…

Q: This exercise is based on the following data on three bodybuilding supplements. (Figures shown…

A:

Q: Refer to Exercise 7. Assume that p = 4.3 ± 0.1 cm and q = 2.1 ± 0.2 cm. Estimate f, and find the…

A:

Q: At Chairs and More, assemblers are apud according to the following differential piece rate scale…

A:

Q: A researcher measures the relationship between education (in years) and investment gains (in…

A: We have given that data  And i want to find  Correlation coefficients ( r )

Q: You have the following data: Gasoline Sales during 2017.1 to 2020.4 (in 000 of barrels) Year and…

A: Introduction: Denote the response variable, gasoline sales as y, and the year and quarter as t.

Q: According to a high-profile realtor, houses in the sleepy town of Sun Beach have shown higher…

A: To test whether the mean appreciation rate of houses in Sun Beach, μ1, is higher than μ2, the mean…

Q: Given the estimated model above, for every additional cigarette smoked while pregnant, the…

A: here use given regression analysis output

Q: If age were normally distributed, approximately what percentage of the sample would be older than 60…

A: 1. From the previous problem, the mean of the variable 'age' is 55.1 and SD is 5.3. Given that age…

Q: Based on the following data, develop a weighted index for the price of a gallon of gasoline in 2017,…

A: Given:

Q: An experiment was conducted to determine if the weight of an animal can be predicted after a given…

A: In the given dataset, the Final weight of the animal is the response variable and the amount of feed…

Q: a) Find R(t) and determine the probability of a component falling within the first month of its…

A:

Q: Kaitlyn measures the upload speed in megabits per second of her home broadband internet connection…

A: Median: It is the middle value of the data that separate the data into two equal half. The median…

Q: To investigate water quality, the Columbus Dispatch took water specimens at 16 Ohio State Park…

A: The mean E.coli level is obtained as given below:…

Q: Use the output provided in the formula sheets folder. In the reduced model, what is the estimated…

A: Given Data: parameter estimate for X1=0.47

Q: The electric car company also wants to control the quality of the current battery manufacturing…

A: Given information: The data represents the values of the variables Lithium-ion and Lead-acid.

Q: Plants grouped with siblings had the following root weight statistics: n = 24 X = 6.25 gs = 0.47 g…

A: Let μ1 denotes the mean root weight of plant grouped with siblings, and μ2 denotes the mean root…

Q: (a) For hest performance, which unit should he driven by the antenna? (b) What is the noise figure…

A:

Q: Use the Atmospheric Carbon Dioxide Concentration scatterplot below to answer the questions.…

A: According to the given information, x axis denotes the year and y axis denotes the C02 in ppm. The…

Q: A component has the following linear hazard rate, where t is in years a(t) = 0.4t, t2 0 a) Find R(t)…

A: Given: λ(t)=0.4 tt is in years

Q: Given the following data on the number of pints of ice cream sold at a local ice cream store for a…

A: The moving average method is to be used to find the forecast for time period 11, using the…

Q: A pharmaceutical manufacturer claims that a drug produced by it has an efficacy of 90%

A: Given : n=200 , X=160 , p0=0.90 , α=0.01 The estimate of the sample proportion is ,…

Q: Estimate a simple regression model, Sales=β0+β1Advertising+ε,Sales=β0+β1Advertising+ε, as well as a…

A: As per our guidelines, we are only allowed to solve 1 question per query. Here the Q1 is complex…

Q: The boxplots show data for state and local community expenditures on police and fire protection.…

A: Given that,

Q: The activities required to service a car at the Exclusive Car Mart is summarised in the following…

A: Note: According to Bartleby's guidelines first three subparts are solved. please upload other parts…

Q: There is some evidence that, in the years−198185, a simple name change resulted in a short-term…

A: Given mean = 0.82 S.d = 0.13 According to the Chebyshev's theorem at least 100(1-(1/k2))% lies with…

Q: As you tan see in the following table, demand for heart transplant surgery at Washington General…

A: Solution:

Q: The expectation of life at different ages for males (all America) is shown below: Age (Years) 20 25…

A:

Q: Study the chart below. In the year that the US had its maximum production of ethanol, how many…

A:

Q: A researcher conducts a hypothesis test using a sample from an unknown population. If the t…

A: A researcher conducts a hypothesis test using a sample from an unknown population.  Degrees of…

Q: Consider a service facility with four clerks. Clerk one works at rate 14/hour; Clerk two at rate…

A: From the given information. There is a service facility with 4 clerks. The clerk-1 works at a rate…

Q: The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. Th…

A: Symbol Price yield T 33.59 5.48% VZ 46.78 4.70% CVX 112.18 3.82% MCD 93.7 3.63% PFE 31.15…

Q: Below is a line graph of the storage capacities measured in MegaLitres (ML), from the supplier dams…

A:

Q: A study is made for a particular allergy medication in order to determine the length of relief it…

A: As asked for part 4 , the answer is as follows:

Q: (c) different mean porosity values. Support your conclusions about each comparison. If post-hoc…

A: H0: There is no difference in porosity across the three rock types.Ha: At least porosity for one…

Q: We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a…

A: Calculate Fitting a straight line - Curve fitting using Least square method X Y 40.5 1380…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.