Problem : A system requires a reliability of 0.95 for ten hour operating period. It consists of three units connected in series with unit failure rates as A= 0.0025, 12 = 0.003 and A3 = 0.007. Allocate reliabilities to the three units in the system?

Q: Question 36 Let A be an event. The odds in favor of A are 7 to 3. Find the probability of A. A) 0.3 ...

A: Let A be an eventThe odds in favor of A are 7 to 3.

Q: Find the minimum sample sizen needed to estimate u for the given values of c, o, and E. c= 0.95, o =...

A: According to the given information, we have Margin of error = 2 Population standard deviation = 6.7 ...

Q: The P-value for a two-sided test of the null hypothesis H0: μ = 10 is 0.03. (a) Does the 95% confide...

A: Given data  Claim :mu=10 P value for two tailed test = 0.03   We reject Ho if pvalue < alpha

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

A: GivenMean(μ)=54.7sample size(n)=25sample mean(x)=56.8standard deviation(s)=0.25

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: A cheese processing company wants to estimate the mean cholesterol content of all one-ounce servings...

A: Given: Margin of error (E) = 0.84 milligram Population standard deviation (σ) = 3.19 milligrams  

Q: sel 1/2 1/2 3/2 the company is interested in maximizing the total profit contribution, answer the fo...

A: *Answer:  R – number of units of regular model. C – number of units of catcher’s model. Max   5R + 7...

Q: ou are given the sample mean and the population standard deviation. Use this information to construc...

A: Given: x=110.87σ=9.53 n=50

Q: A box has 12 candies in it: 3 are taffy, 4 are butterscotch, and 5 are peppermint. (Each candy falls...

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Q: 2. The average test score in a certain statistics class was 74 with a standard deviation of 8. There...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: Manufacturing organizations incur considerable cost in the training of new employees. Not only is t...

A: Given Manufacturing organizations incur considerable cost in training of new employees. Assembly ope...

Q: Set up the ANOVA table. (Round your p-value to three decimal places and all other values to two deci...

A: Use the Excel and Perform the Regression. Followings are the Steps to perform the Regression 1) Open...

Q: The director of research and development is testing a new drug. She wants to know if there is eviden...

A: Given : sample size, n =62 sample mean, x̄ =392 population standard deviation,σ=18...

Q: The mean number of errors on a test area on a disk is 0.2. Find the probability that a test area has...

A: Let X denote the number of errors on a test area. It is given that mean number of errors = 0.2 Note ...

Q: Code all the parts in r studio. This question was posted before but it is the wrong answer so please...

A: Given Information: Mean μ=1995 Standard deviation σ=9 Labeled amount is 2000. (a) To find the percen...

Q: The following represents the probability distribution for the daily demand of computers at a local s...

A: Let X be the number of demand having probability mass function is,  Demand (X)  probability P(x) ...

Q: Suppose 40 percent of the customers at Pizza Palooza order a square pizza, 70 percent order a soft d...

A: Define the events: Let A denote the event that customers order a square pizza Let B denote the event...

Q: All freshmen at Roseville High School are required to play exactly one sport. The table below shows ...

A: Solution

Q: The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. ...

A: Introduction :-  From given information and data we have to find control limits of R chart for mortg...

Q: Every Saturday, The Free Press, Mankato, Minnesota's daily newspaper, reports the number of new COVI...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: College and University Debt A student graduated from a 4-year college debt is $8489 with a standard ...

A: formula for z-score is

Q: PROBLEM 2: Ito's Formula in Action Consider the SDE: dX = aX dt + b(t) X dW with X(0) = 1 Here a is ...

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Q: The state runs a lottery once every week in which six numbers are randomly selected from 17 without ...

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Q: The variable "Gender" can be regarded as being, in general a. qualitative and ratio level b. quant...

A: Given : The variable "Gender"  

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

A:

Q: A binomial experiment with probability of success p=0.79 and n=10 trials is conducted. What is the p...

A:

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: The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a sta...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: [For questions 8, 9, and 10] - The old Nokia 3310 battery lasts 31 hours on standby. Nokia produces ...

A: Given that  Hypothesized Population Mean (\mu)(μ) = 3131 Sample Standard Deviation (s)(s) = 44 ...

Q: xample 2: Prove that for a random sample of size n, X1,X2,.... ,X,n taken from an infinite populatio...

A:

Q: how are parameters and statistics related?

A: Parameter: The parameter is used to explain the entire population. For example, a teacher calculated...

Q: State 2 limitations of the chi-square test, ?

A: Limitations 1: chi-square test tells the absence or presence of an association between the events bu...

Q: 3. If the 95% confidence interval for a parameter u is (3.1, 5.1) and the 99% confidence interval fo...

A: For 95% confidence interval for mean is (3.1,5.1) that means the mean should lie between 3.1 and 5.1...

Q: A total of 20 students are on a field trip. Of these students, 13 are wearing sunglasses and 6 are w...

A: 5 are not wearing sunglasses or hat so now total students = 20-5 = 15 students Niw we can solve it b...

Q: If there is only one molecule of gas in the system (N=1), then there are 2 possible microstates for ...

A: 1. The possible number of microstates for N=3 is calculated below: Formula: The possible microstates...

Q: Q6. What is the probability of getting the expected number of Heads from 20 tosses of a fair coin wh...

A: Here, X follows binomial with n= 20 and p= 0.5.   The expected number of heads is E(X) =np =20× 0.5 ...

Q: Warren is investigating how long his phone's battery lasts (in hours) for various brightness levels ...

A: Solution: To fit the regression line  y^=b0+b1x Where b1=n∑xy-(∑x)(∑y)n∑x2-(∑x)2and b0=y-b1x Sr....

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

A: Given percentile value is P86. That is, PZ≤z=86%PZ≤z=0.86..........(1) We need to find the z value c...

Q: For the following scenarios provide the following: • the null and alternative hypotheses • explain w...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: Suppose that f(x) = e−x for 0 < x. Determine the following: a. P(1 < X) b. P(1 < X < 2.5) c. P(X...

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other ...

Q: The President of the Farmers Association wants to know how the amount of fertilizer and the amount o...

A:

Q: A certain virus infects one in every 200 people. A test used to detect the virus in a person is posi...

A: Given that, A certain virus infects one in every 200 people. A test used to detect the virus in a pe...

Q: You just finished statistics class and are eager to collect and analyze your own data! You run out ...

A: Since, it is given that,student just finished statistics class to  collect data on the average score...

Q: Complete the table below and find the mean, variance and standard deviation of the following probabi...

A: Solution-: We find, (a) Mean =? (b) Variance=? (c) Standard deviation=?

Q: A techhician is workKing ntal research laboratory. She has 100 soll The technician randomly picks a ...

A: We have given that,  Total sample in laboratory = 100 The sample the technician picks does not conta...

Q: The peacock vocabulary test has a standard mean of 100 and the stndard deviation of 15. You tested ...

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

A:

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

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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)...