Suppose that the age of students at George Washington Elementary school is uniformly distributed between 6 and 10 years old. 50 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U( Suppose that 50 children from the school are surveyed. Then the sampling distribution is b. What is the distribution of ? - N( c. What is the probability that the average of 50 children will be between 8 and 8.3 years old?

Q: A jar contains 10 red marbles numbered 1 to 10 and 8 blue marbles numbered 1 to 8. A marble is drawn…

A: GivenA jar contains No.of red marbles numbered 1-10=10No.of blue marbles numbered 1-8=8Total no.of…

Q: Apply the concept of probability distribution, write your ANSWER with COMPLETE SOLUTION in your…

A: (a) To construct a probability distribution of salaries with the given ranges:

Q: A sample of 16 participants took part in a hearing experiment. Among other things, the absolute…

A: Frequency Polygon Frequency polygons are a diagrammatic representation of distribution that adopts…

Q: Suppose that you have 6 green cards and 5 yellow cards. The cards are well shuffled. You randomly…

A: Given n(G)=6 n(Y)=5 N=11

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: The number of adults like the movie is 6 out of 20.

Q: The E[MS] for the term associated with Factor A is A. σ,+12ΦΑ C. 0² +30²AB +120A B. 0²+12 0²A D. 0²…

A: The correct answer is "Option B."

Q: Oz=-0.81 Oz=-0.55 Oz=-0.88 Oz=-0.77 and z=0.81 and == 0.55 and z= 0.88 and z=0.77 58%

A: Giventhe middle 58%

Q: A company has a policy of retiring company cars; this policy looks at number of miles driven,…

A:

Q: 2. The data below shows six sample data that was gathered from a periodical exam of Grade 10 section…

A:

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A:

Q: Experimental teaching of arithmetic In a study of a new method of teaching arithmetic, claimed to…

A: Given:

Q: Recorded here are the germination times (in days) for 13 randomly chosen seeds of a new type of…

A: Solution-: Given: c=0.90 (Confidence level) We have following data: xi 13 18 11 15 19 18 17 14…

Q: In an article published in May 2014, Puget Systems published a variety of data on failure rates of…

A: Given that, 1.57% of the GT/GTX 6xx series failed in the field. There are 1000 cards.

Q: You've Got Cooties! A certain medical test has the following reliability: if a person has cooties…

A: .

Q: The waiting times between a subway departure schedule and the arrival of a passenger are uniformly…

A: Given distribution is uniform distribution. A continuous r.v. x is said to uniform distri. over…

Q: Directions: Study the table below. Find the critical value, draw the rejection region, compute the…

A: Researchers perform hypothesis testing to test the null hypothesis against the alternative…

Q: esult of test 20000 electric bulbs manufactured by a company. It's found out the life of a bulb is…

A: Let us consider that X be a random variable that denotes the lifetime of a bulb with a mean life of…

Q: What type of educational background do CEOs have? In one survey, 344 CEOs of medium and large…

A:

Q: II. Do what is indicated in order to answer the following problems, use only blue or black pen. Do…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....…

Q: estimate of the mean amount of mercury in the population. Does it appear that there is too much…

A: Given data: 0.51, 0.71, 0.10, 0.97, 1.29, 0.51, 0.87

Q: A bag contains 9 red marbles, 6 white marbles, and 7 blue marbles. You draw 3 marbles out at random,…

A: It is given that Number of red marbles = 9 Number of non-red mables = 13 Total = 22 Sample size = 3…

Q: Section H: Hyla chrysoscelis is a type of gray tree frog with a distinct mating call. Frogs are…

A: The least square equation of the regression model is : y^=β0+β1x β0 and β1are the coefficients of…

Q: 4. A men's clothing store developed a customer waist size probability table from a sample of 300…

A:

Q: Big sagebrush is often planted in range restoration projects. An experiment is performed to…

A: 1) The false statement is "Option b. b. Experiment Design: 2 factorial design in CRD (completely…

Q: a student had 93% in chemistry had a class average of 85% and standard deviation of 8%. the same…

A: Consider that the mean and standard deviation of a random variable x are µ and σ, respectively.…

Q: Suppose that the mean daily viewing time of television is 8.35 hours. Use normal probability…

A: Given information- Population Mean, µ = 8.35 hours Population standard deviation, σ = 2.5 hours Let…

Q: the life expectancy for a species of certain insects is normally distributed with mean of 14.3…

A: It is given that the mean is 14.3 and the standard deviation is 4.3.

Q: . The average weight of a student in a particular school is normally distributed with mean of 150.2…

A: The mean is 150.2 and the standard deviation is 12.4.

Q: The local coffee shop keeps track of how much coffee they sell versus the temperature on that day,…

A: Given data x       1523     1856     1710    1666     1598       1043 y        20.8      22.2…

Q: A random variable X has a N(,, o?) distribution. Independently, a random variable Y has a N(μy, a)…

A: Given :

Q: stion 6 According to National Testing data, college math class testing times are Normally…

A:

Q: Let X₁, X₂, ..., X denote a random sample with size n from the ean 0₁, and Y₁, Y₂, ..., Yn denote a…

A: Given information: Suppose that X1, X2, … , Xn are independent and identically distributed from a…

Q: The manufacturer of Beanie Baby dolls used quarterly price data for 2005 /-2013 /V(1= 1,..., 36) and…

A: * SOLUTION :-  (5)   Given that ,

Q: Demand for wine bottles at one of Vino's warehouses is normally distributed with average 10000 and…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.

Q: Blood pressure is 127.58 sample of 41 males,, 35-44 in age.. blood pressure of 5.76. Find 95% co…

A: Given: Sample meanx¯=127.58Sample size(n)=41Sample standard deviation(s)=5.76

Q: Suppose that a multiple linear regression model is fitted for the prediction of average live weight…

A: In this case, the utility of fitted model for predicting Y can be determined by testing  the overall…

Q: 4 Consumption of cigarettes The table below gives data purporting to show the percentages of men and…

A:

Q: 1.6. From previous studies it was found that the average height of a plant is about 85 mm with a…

A: From the given information about the distribution of the height of the plants, it is interpreted…

Q: The following are the lengths of stay (in days) for a random sample of 16 patients discharged from a…

A: Given: Simple size n = 16 Number of classes = 6

Q: e set. Clearly, the first packet bought would contain a new card w n. The next card obtained might…

A: *Answer:

Q: The probability that a university graduate will be offered no jobs within a month of graduation is…

A: Let x denotes the number of job offers.

Q: A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed…

A: Given data is 0.51,0.71,0.10,0.97,1.29,0.51,0.87sample size(n)=7confidence interval = 95%

Q: own that 65% of those tested do not get sick from the coronavirus. Unfortunately, the vaccine has…

A: here define events ,  person get side effect  =  S Sick(ill) from corona Virus  = C p(C') = 0.65  ,…

Q: In a specific year, SAT scores were Normally distributed with mean 1026 and standard deviation 209;…

A: given Mean=1026 Standard deviations=209

Q: 1.4. Let X and Y be independent exponentially distributed random variables with parameter X λ = 1.…

A:

Q: If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was…

A:

Q: A dean of a business school wanted to know whether the graduates of her school used a statistical…

A:

Q: When doing blood testing for a viral infection, the procedure can be made more efficient and less…

A: Given that  Number of samples (n)=3 Probability of individual blood sample testing positive for the…

Q: What is the probability that a randomly selected person from the population tests positive?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…