Suppose X~N(118,11), and Z~N(0,1). Then x = 114, is equivalent to z = ______. (Round your answer to 2 decimal places, ex: 0.12)

Q: m. Choose the correct graph below. 27 Q ecimal places as needed.) B. A 0.27 Q

A: Given that.   X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Exercise 12. Let X, Y, Z ~ N(0, 1) be independent. Determine the distribution, expectation and…

A: 12) Given that X, Y, Z ~ N(0,1). Here X, Y and Z are independent random variables.

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A: Let X be the random variable from Poisson distribution with average (λ) = 10.4 Then,  P(X≥4) = ?

Q: What is the SRS size?

A: Given that Standard deviation =6.4 As solved part(a)  The standard deviation of sample mean =0.4667…

Q: Consider a population consisting of the following five values, which represent the number of video…

A: Given data set is: 9 15 17 11 12 we know that,  mean= ΣXi/n Here sample size is n= 2

Q: h(x,y) = 6xey + 8y + 2 2²h a²h дуг 2²h дудх 2²h ?хду =

A:

Q: The economic dynamism, which is the index of productive growth in dollars for countrie that are…

A: It is given that the middle income of 27 countries which are designated by the world bank. We need…

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A: Please note that as per our guidelines if multiple sub-parts are there in a question we can answer…

Q: Use what you know about order statistics to show that for the random sample of size n = 3 the median…

A:

Q: A government official estimates that the mean time required to fill out the long form of the United…

A: Given that, The population mean  μ=36  The sample mean x¯=40 The sample standard deviation s=10 The…

Q: Refer to the accompanying data display that results from a sample of airport data (13.046,22.15)…

A:

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)…

A: Answer:-  Given that  n = 238 , s = 7.2 , x̄ = 28.6 95% confidence level

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: given data E = 0.0195% ci for pn = ?

Q: Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters. In a…

A:

Q: Will Proposition 100 Pass? (b) Based on the interval, is there convincing evidence that a majority…

A: Given:  Required proportion, p⏞ = 6000/9388 = 0.639 Confidence interval = (0.689, 0.767)

Q: (a)Obtain the regression equation. (Round your answers to 4 decimal places.) (b) Calculate R2.…

A: Here dependent variable (y) = calories per gram Independent variable (x) = fat calories per gram…

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A: The observed occurrence of the faces is given as: Face 1 2 3 4 5 6 Freq. 23 36 22 44 18 37…

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A: Answer:- Given the discrete probability graph is,  Now , Using the discrete probability graph we…

Q: Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of…

A: The statistic is used to estimate an unknown parameter. It can be used in two ways-point estimation…

Q: A statistics professor gave a final exam to a class of 30 students. The exam scores are normally…

A: Given,mean(μ)=75standard deviation(σ)=10

Q: A quiz related to digital knowledge was conducted. The quiz had 10 questions and covered topics such…

A: Given Information: Sample size n=50 Sample mean x¯=4.1 Sample standard deviation s=2.6 We want to…

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A: X is a random variable that such that each outcome of the random variable can be classified based…

Q: The flight time between two cities follows a uniform distribution, between 55 minutes and 75…

A: Let x be the flight time between two cities.x follows a uniform…

Q: A study of 420,008 cell phone users found that 0.0310% of them developed cancer of the brain or…

A: given data sample size (n) = 420008p^ =0.000310 95% ci p= ?

Q: The pulse rates of 149 randomly selected adult males vary from a low of 45 bpm to a high of 121 bpm.…

A:

Q: prove the following generalization of the variance fomula varla X + by] =a² var[X] + b²var[Y] +…

A: E(aX+bY)=E(aX)+E(bY)=aE(X)+bE(Y) This we know

Q: If we take many samples, the sample mean ?⎯⎯⎯�¯ varies from sample to sample according to a Normal…

A: Let μ be the population mean mathematics score. Given that, Sample size (n) = 147,400 Sample mean…

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

A: From the provided information, Confidence level = 99% Margin of error = 0.03

Q: 10 Once again, consider the data set consisting of the number of credits taken by the 128 State…

A: Given that: Credits Frequency 10 1 11 0 12 18 13 9 14 22 15 15 16 25 17 10 18…

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 428 green peas…

A: Given,sample size(n)=428+156=584number of yellow peas(x)=156

Q: Which measure of central location is meaningful when the data are nominal? O A. The arithmetic mean…

A: The measure of central tendency are mode, median and mean while the measure of variability are…

Q: can you do problem 4?

A: given function  f(x)=x23-1≤x≤20else where

Q: Concerned about the initial monitoring data, the environmental action group decides to continue to…

A: The sample size is n=30The sample mean is x¯=1075The sample standard deviation is s=120.4From this…

Q: When considering respiration, the tidal volume is the volume of air that is inhaled or exhaled…

A: We have given that Mean(µ) = 510Standard deviations (σ) = 20X ~ N (µ, σ )= N(510, 20)

Q: A statistical program is recommended. A certain company has been an authorized dealer for C&D marine…

A: Introduction: Denote the time series value for a particular quarter corresponding to time point t,…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: The weekly demand (in cases) for a particular brand of automatic dishwasher detergent for a chain of…

A: Given information: Week Demand 1 22 2 18 3 23 4 21 5 17 6 24 7 20 8 19 9 18…

Q: Census data for the United States between 1790 and 1950 are given in the table above. Construct a…

A: Given information: Given data represents the values of the variables year and population (in…

Q: this K Assume that a randomly selected subject is given a bone density test. Those test scores are…

A: Let Z be the random variable from normal distribution with mean = 0 and standard deviation = 1

Q: Given an approximately normal distribution with a mean of 121 and a standard devi- ion of 40. Using…

A: Given that.   X~N( μ , ?)   μ=121, ?=40   Z-score =( x - μ )/?

Q: 6. In the continuous-time limit from the binomial model, find m and a for u = 0.4, d= -0.3 and 7 =…

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Q: In the EAI sampling problem, the population mean is $71,600 and the population standard deviation is…

A: Given information- Population mean, µ = $71,600 Population standard deviation, σ = $4000 Let, X be…

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 100 and standard…

A:

Q: 8 Given that p(A|B)=0, and p(A)=.15, are A and B (a) independent? (b) exclusive?

A: We have given that P(A/B) = 0 and P(A) = 0.15

Q: its candies are red. Use the sample data to construct a 90% confidence interval estimate of the…

A: Given that information  Total number of candies = sample size = n = 35 Number of red candies= x = 5…

Q: Suppose the following data shows a company's annual revenue from 2008 (period 1) to 2017 (period 10)…

A: Given data: Year Period Annual Revenue 2008 1 20.8 2009 2 22.65 2010 3 28.32 2011 4…

Q: Identify if the following statements are TRUE or FALSE. 1. We need to satisfy the assumption of…

A: The objective is to define if the provided statements are TRUE or FALSE. For this, the assumptions…

Q: A random variable X is distributed as N (69, 9). Find the probability that the value of a randomly…

A: We have given information, A  random variable X is distributed as N69, 9 i.e. μ=69     σ2=9 ⇒σ=3