03: PVC pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003 inch. Find the probability that a random sample of n = 9 sections of pipe will have a sample mean diameter greater than 1.009 inch and less than 1.012 inch.

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A: Given X=21, n=265  p=8% =0.08 Level of significance ɑ=0.01  Z value=-0.027223275  P…

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A: Given that.  f(x,y) x y 0.3 90 90 0.5 20 20 0.2 40 60

Q: Q4: The diameter of a shaft in an optical storage drive is normally distributed with mean 0.2408…

A: It is given that  Mean, μ = 0.2408 Standard deviation, σ = 0.0005 The specifications on the shaft…

Q: Let Y₁, Y₂, Y3, Y₁, Ys and X₁, X₂, X, be independent and normally distributed random samples from…

A: Given that If P(X--Y->10)=0.02275 We have to find the value of k:

Q: What is the expected annual utility cost of the company if it has 150 machines, and it will use…

A: The estimated utility cost is calculated by using regression equation analysis;  Y = a + bx where; Y…

Q: -2.13 The area of the shaded region is 0 X

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Q: The following describes a sample. The information given includes the five number summary, the sample…

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Q: 6. Production lines in a manufacturing plant are set to make steel ball bearings with a diameter of…

A: a) 95% confidence interval for the difference between the mean diameters of ball bearings from the…

Q: An insured has 200000 SAR for a BII (Bodily Injury Insurance). Three people were injured in the…

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Q: you to develop a regression model to explain variations in sales across the company’s retail…

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Q: manufacturer of a computer system is interested in improving its customer support services. As a…

A: Given that  Mean = 25.09 , Variance = 144 X ~ Normal (Mean = 25.09 , Variance = 144)

Q: Let Y1, Yz, Y3, Y4, Yş and x1, x2, ..., X, be independent and normally distributed random samples…

A:

Q: Where are the clusters in this distribution? 1400 1200 1000 800 600 400 200 ENS***&&&&&& O A. 7, 12,…

A: Introduction: It is required to identify the values in which clusters are observed in the…

Q: The mean incubation time of fertilized eggs is 21 days. Suppose the incubation times are…

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Q: Q2: The number of cracks in a section of interstate highway that are significant enough to require…

A: Given that, The number of cracks in the section of interstate highway follows Poisson distribution…

Q: Assume the random variable X is normally distributed with mean μ=50and standard deviation σ=7.…

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Q: This figure shows a distribution in the form of a histogram. This distribution has which of the…

A: Please find the explanation below. Thank you.

Q: b. If KA recommends that the client invest 75%  in the All World Fund and 25% in the treasury bond…

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Q: Enrollment at a particular college has a student population comprising 62% females.  Using the…

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Q: ine the pie chart below and then answer the questions that follow. a) The “Neutral” section of the…

A: Given, Total Number of students (N) in a class  = 60 The % of students who like Math = 30% The % of…

Q: A researcher runs an experiment to measure the impact of a short nap on memory. There are 200…

A: The following solution is provided below :

Q: You are given the following double-decrement table:

A: Given information: x dx1 dx2 50 10 5 51 9 7 52 8 10 53 7 15 Formula: qnxj=dnxjlx(τ)…

Q: A company produces optical-fiber cable with a mean of 0.5 flaws per 100 feet. What is the…

A: A company produces mean of 0.5 flaws per 100 feet.

Q: Problem 3. A recent study of the hourly wages of maintenance crew members for major airlines showed…

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Q: Find mode  27,26,34,35,35,40,30

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Q: Suppose the probability of an IRS audit is 2.9 percent for U.S. taxpayers who file form 1040 and who…

A: Given that  p = 2.9% = 0.029 , q = 1 - p = 1 - 0.029 = 0.971 p = The probability of an IRS audit

Q: known that 80-foot blue whales consume, on average, 3200 kg of krill per day. 100-footers consume on…

A:

Q: Find the proportion of Normally distributed observations with a zz-score below -1.53.

A: It is given that the z-score below -1.53.

Q: Suppose the following table represents world oil production in millions of barrels a day for a…

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A: Please note that as per our guidelines if multiple questions are posted by the student, we can…

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Q: 7. Find the 81st percentile.     The 81st percentile is   ​(Round to two decimal places as​ n

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Q: 2. The scores on a competency test for 2nd-year high school students have a normal distribution with…

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Q: Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of…

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Q: Two dice are rolled. What is the probability of getting a sum equals 6? Probability =  (Round to 4…

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Q: A test for ovarian cancer has a 4 percent rate of false positives and a 0 percent rate of false…

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Q: An Urn contains 17 balls marked LOSE and 3 balls marked WIN.  You and an opponent take turns…

A: There is total 20 balls among which 17 balls are marked as LOSE and 3 balls are marked as WIN.

Q: If motor skills are classified according to the stability of the environment, bowling would be…

A: Here we want to know given statement is true or false.

Q: Ice cream: A certain ice cream parlor offers seven flavors of ice cream. You want an ice cream cone…

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Q: 12   15   15   16   17   17   18   19   20 (a) Find the low, Q1, median, Q3, and high. b.

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Q: (a) The figure to the right represents the normal curve with us 266 days and 16 days. The area to…

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Q: Assume that a distribution of 10000 scores is normally distributed with a mean of 90 and a standard…

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Q: 16. A square grid is placed over a city map. What is the Euclidean distance between two places…

A: Given that  (x1 = 1 , y1 = 3) , (x2 = 3 , y2 = 6)

Q: Consider the table below: Classes Frequency, Cumulative Midpoint, fm fm (Mass) Frequency (kg) f…

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Q: Explain in your own words what the distinction between "discrete variables" and "continuous…

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Q: With respect to the use of correlation, which one of the following statements is false a.When both…

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Q: The National Academy of Science reported that 44 % of research in mathematics is published by US…

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