The diameters of ball bearings are Casteel Clistributed normally The mean diameter Ps 89 millimeters and the Vanance is 9. Find the probability the diameter of a Selected bearing is Creater than 91 millimeters Round to Four ceumal places that

Q: One way to minimize unanticipated measurement error from poorly worded or confusing questions in a…

A: Convenience sample: It is a non-probability sampling method, in which researcher selects samples…

Q: timate the minimum sample size needed to achieve the margin of error E = 0.136 for a 95% confidence…

A: Given  E=0.136, level of significance ɑ=0.05, p=0.5

Q: a) What type of graph would be used to display the data above? b) Explain your reasoning. c) When…

A: A cylinder of liquid was heated for 1 hour. The temperature was recorded for every 10 min interval…

Q: Given the graph where the mean is marked which best valle best Represents the Z-Score Shown L 2 2=2…

A: We have given, The graph and the z-values. We have to find. Which best values showes the graph ?

Q: Suppose speeds of vehicles traveling on a highway have an unknown distribution with mean 63 and…

A:

Q: Use the given information to find the number of degrees of freedom, the critical values x and x. and…

A: given data  98% ci for standard deviatioon n = 25s = 0.21

Q: You are given the following information about x and y.       x   Independent Variable y…

A: Here, there are 5 pairs of observations given. Thus, n = 5. Consider the calculations in the…

Q: If testing hypotheses about the effects of race on memory of faces, it would be most appropriate to…

A: Here, we’ve 2 samples. One is accuracy for memory of the Caucasian and another is accuracy for…

Q: 1. The State Court Administrator for the State of Oregon has commissioned a study of two circuit…

A: This question has 3 subparts relating to hypothesis testing.

Q: A person's blood pressure is monitored by taking 5 readings daily. The probability distribution of…

A: According to the given information in this question We need to answer three subparts

Q: A serving size of peanuts for a snack is 1.5 oz. The weight of the serving size can vary by no more…

A: Empirical rule : 68-95-99.7  :  68% population lie within 1 standard deviations 95% population lie…

Q: The following null hypothesis is given. Η μ S 230 A sample of 50 observations is selected from a…

A: From the provided information, Population standard deviation (σ) = 45 Sample mean (x̄) = 250 Sample…

Q: According to you which is the best method of collecting data for a social research - Interview or…

A: According to me, Focus group is better method of data collection. It is also a kind of interview but…

Q: The efficiency for a steel specimen immersed in a phosphating tank is the weight of the phosphate…

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

Q: wer the following questions, performing all computations using Excel functions. Compute the…

A: Let X be the person receives in their mail box parameter=λ=4.3 X~Pois(λ=4.3) (a) P(X=3)=?  (b)…

Q: A maker of a certain brand of​ low-fat cereal bars claims that the average saturated fat content is…

A: Solution: Given information: n= 8 Sample size From the given data first we find sample mean and…

Q: Professional basketball teams have 11 players per team. Salary is dependent upon their scoring…

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

Q: A designed experiment is described. Identify the specified element. A marketing researcher with…

A: Investigation of effect of various exercises to influence children's creativity.

Q: Conduct a hypothesis test to determine if the average number of fatalities for all airlines between…

A: Solution: Given information: n=50 Sample size First we need to find sample mean and sample standard…

Q: A simple random sample from a population with a normal distribution of 100 body temperatures has x…

A: Given n=100, level of significance=0.10, s=sample standard deviations=0.68  df=n-1

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: From the provided information, Mean (µ) = 160000 Standard deviation (σ) = 39000 X~N (160000, 39000)…

Q: Use this data and develop a model of a truck's annual maintenance expenses based on its weekly usage…

A: Given: n = 10 Formula Used: SSR = b∑XY-∑X∑Yn b = n∑XY-∑X∑Yn∑X2-∑X2

Q: Estimate the minimum sample size needed to achieve the margin of error E = 0.029 for a 95%…

A: Suppose p is the population proportion.

Q: To investigate the fluid mechanics of swimming, twenty swimmers each swam a specified distance in a…

A:

Q: Sometimes, the pattern of coefficients on the year dummy variables is itself of interest. For…

A:

Q: If new cases of West Nile in New England are occurring at a rate of about 2 per month, then what's…

A: It is given that the rate of occurrence of new cases is 2 per month.  Considering the average rate…

Q: For a confidence level of 90% with a sample size of 20, find the critical t value. Add Work

A:

Q: You are interested in finding a 95% confidence interval for the average number of days of class that…

A: From the provided information, Sample size (n) = 13 Confidence level = 95%

Q: On October 16,2017, Bloomberg News reported on the Supreme Court's decision to take a case on…

A: According to the reported news, there are 22 billion credit card transactions per year. The fees…

Q: A survey about food in the West Valley Café was conducted by having forms available for customers to…

A: Bias is the deviation or difference in actual and predicted values.

Q: The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a…

A: GivenMean(μ)=69.8standard deviation(σ)=2.65

Q: 6. The level of significance represents an Common values are and on the frequency distribution.

A: For the given sentence we need to fill the blanks.

Q: Suppose that, for one semester, you can collect the following data on a random sample of college…

A: Cluster Random Sampling: In cluster random sampling, the total population is divided into groups and…

Q: The tolerance on the width of a slot in a part is given as: 0.750±005. Historical data suggest a…

A: Given information: Tolerance on the width of a slot in a part is given as: 0.750 ± 0.005. σ=0.003

Q: 1 A paper investigated the driving behavior of teenagers by observing their vehicles as they left a…

A:

Q: 20. A shipment of 100 tires from the Apex Tire Corporation is known to contain 20 defective tires.…

A:

Q: Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean…

A: Probability is calculated by R command

Q: an independent variable's null hypothesis is rejected, it should remain in the model. True O False

A: We have given that,  If an independent variables null hypothesis is rejected, it should remain in…

Q: The strategy was tested a total of 1000 times by the ten friends. Since p = 0.52, about how many of…

A: Given: n = 1000 Probability of success p = 0.52 Formula Used: Number of games wins = np p^ = Xn

Q: 5.1 Consider the multiple regression model y₁=xB₁+x₂ + xpB₂ +€₁ with the seven observations on y,…

A: The given data are as follows: yi xi1 xi2 xi3 1 1 0 1 1 1 1 -2 4 1 2 2 0 1 -2 1 1 1 1…

Q: What is the difference between those tw Education spending ($ per student) Education spending ($ per…

A: Above graph is the histogram, in which we compare education spending with  year

Q: Clare wants to test whether a new educational programme can help students in a classroom learn how…

A: Sampling is the technique which used to take sample from the population. There are two types of…

Q: 6) The following data is available for a simple hedonic home price model. Lot size and house size…

A: Regression is the statistical analysis that used to perform the prediction analysis. It explain the…

Q: daughters. The data pairs are from a journal kept by Francis Galton. Use the listed paired sample​…

A: According to the given information in this question We need to find test statistic and p value and…

Q: According to a recent survey of 3640 people, 1129 feel that the president is doing an acceptable…

A:

Q: The compressive strength of concrete is normally distributed with = 2497 psi and o= 53 psi. A random…

A: GivenMean(μ)=2497standard deviation(σ)=53sample size(n)=4

Q: If the standard deviation of the mean for the sampling distribution of random samples of size 36…

A:

Q: The weight of a particular variety of watermelon is known to be Normally distributed with mean 14.2…

A: It is given that  Mean, μ = 14.2 Standard deviation, σ = 0.66 Z-Score, Z = ( X - μ )/σ

Q: ach person in random samples of 247 male and 263 female working adults living in a certain town in…

A:

Q: Julianna is baking cookies for her Hospitality Management. Out of 50 cookies she baked, 10 are…

A: From the provided information, Out of 50 cookies she baked, 10 are defective. Professor randomly…