If the random variable Xhas an exponential distribution with rate parameter 1 = 11.42 then, given that E(X) = 24/24, compute Var(X-). Give your solution accurate to 4 decimal places. Answer: Check Next page IS bage iype here to search bp 144 15

Q: The CEO of battery manufacturing company claims that an average battery lasts 300 days. A researcher…

A: Given n=sample size=15, sample mean x̄=290, population mean μ=300 , sample standard deviations s=50…

Q: a) How many possible combinations are there for matching all 6 numbers? b) What is the probability…

A: here given  there are total 28 number available for selection  player select 6 number

Q: b. Compute the standard deviation. (Type an integer or decimal rounded to three decimal places as…

A:

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 2, 2,  3, 4, 4, 5, 6, 7, 8, 8, 9, 11, 13, 15,…

A:

Q: You are conducting a study to see if the probability óf čatehing 0.63. You use a significance level…

A:

Q: 32 Find the z values for each of the following x values for a normal distribution with mean = 16 and…

A: Given that  Mean = mu = 16 Standard deviation = s = 3  Z score = (x - mu)/s  a) x = 12 Z score = (…

Q: 4. n = 23, X = 80.6, s = 3.2, 95% confidence 5. n = 25, X = 92.8, s = 2.6, 99% confidence

A:

Q: ou'd like to test the null hypothesis that the means of the two samples (column A and column B) are…

A: Given that,  Null hypothesis states that the means of the two samples are the same. Alternative…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 60…

A: (1) Obtain the probability that a randomly selected person at the hot springs stays longer than 79…

Q: on daily average travelling time for both them is 98.4 minutes with a standard deviation of 7.8…

A: Solution: Let X be the Azli's travelling time is normally distributed with mean 98.4 minutes and…

Q: Wila is a risk-analyst at Deli Bank (DB), a commercial bank with operations in Zambia. DB is…

A: From the given information, The investment in Asset A is 200,000. The investment in Asset B is…

Q: 1s a set of data. 75 90 108 266 391 469 560 690 694 725 798 803 857 964 Identify the 5 number…

A: Given data: 75, 90, 108, 266, 391, 469, 560, 690, 694, 725, 798, 803, 857, 964 n = 14(even)

Q: The frequency table shows the mass in kilogram, collected from a class. Mass (kg) No. of students…

A:

Q: A group of 19 people from New York and a group of 14 people from Los Angeles passed the same quiz.…

A: The provided information is x1¯=84,x2¯=83σ1=3,σ2=2n1=19,n2=14α=0.05 a. The hypothesis is…

Q: A random sample of 102 observations is selected to estimate the relationship between the price of a…

A: The amount of percent variability of the used car values (dependent variable) explained by the model…

Q: Consider the following model: price Bo + Bilotsize + B2sqrft + u Assume that the error variance is…

A: Solution: From the given information, the regression model is The error variance is

Q: (a) Azli and Iman are both traveling for Batu Pahat to Melaka on daily basis. The average travelling…

A:

Q: If the omitted variable is negatively correlated with the treatment and has a positive impact on the…

A: The omitted variable must be correlated with the dependent variable. Or the omitted variable must be…

Q: If the coefficient of correlation between two variables is +.95 , how might a scatter diagram of…

A: The following information is given: The correlation coefficient between two variables is r= +0.95.…

Q: Craig interviewed several waiters and waitresses and asked them to estimate their annual income from…

A: Assume the provided box plot. The vertical bold line inside the box indicates the median value. The…

Q: Use the Student's t-distribution to find the t-value for each of the given scenarios. Round t-values…

A:

Q: iso pollutiow Sensors in 30 locactions to measure Hi cientist oere task ho deternine the noise…

A: Given information: The value of 12 is repeated 6 times The value of 13 is repeated 1 times The value…

Q: How do you expect the zone of conflict between parent and offspring to differ when a future…

A:

Q: (a) Azli and Iman are both traveling for Batu Pahat to Melaka on daily basis. The average travelling…

A:

Q: 3. Is the distribution below (A) normally distributed (B) Skewed (left) (C) Skewed (right): ANSWER…

A: Hi there! Thanks for posting the question since there are multiple subparts we will solve the first…

Q: If S-{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} and A = {0, 2. 4, 6, 8], B- (1, 3, 5, 7, 9), C = {2, 3, 4, 5),…

A:

Q: A random sample of 2300 adult women indicated that 1341 of them asked for medical assistance last…

A:

Q: A group of health conscious researchers were interested in ways to lower blood pressure.  The study…

A: Correct option is ( a ) that is one way anova. Here only effect of drug is considered for studying.…

Q: The following data shows the volume of 60 cans of soda taken at random. 120.5 120.2 120.4 119.7…

A:

Q: i NEED HELP ON B,C,AND D, PLEASE!!! On a planet far far away from Earth, IQ of the ruling species…

A:

Q: 3. Handin Ex. 9.84 A certain type of electronic component has a lifetime Y (in hours) with…

A:

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 71…

A:

Q: Construct all random samples consisting of three observations from the given data. List all the…

A: Let all possible random samples of the same size are considered that have been drawn from the same…

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 3, 4, 5, 5, 6, 8, 8, 8, 9 A. Mean B. Median…

A:

Q: a. What is the null hypothesis concerning these variables? b. Are the variances equal across the…

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

Q: Can the multiple regression test be conducted using nominal and ordinal data? Give an explanation…

A: Ordinal regression is a member of the family of regression analyses.  As a predictive analysis,…

Q: QUESTIÓN 15 The freqency distribution below gives the age at inauguration of each president, prior…

A:

Q: "A study on the percentage of adults who can read was conducted in 1950’s. A record has shown there…

A: Solution: It is to differentiate retrospective, observational and design of experiment for the given…

Q: State the appropriate null and alternative hypotheses. O H,: u = 5.04 H: u > 5.04 O H: 4 > 5.04 H: u…

A:

Q: 9 NO A random sample of n = 16 is drawn from a normally distributed population with a known standard…

A:

Q: I. Find the areas under the normal curve.  A. Right of z = 2.13 B. Left of z = -1.03 C. Right of z =…

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

Q: 6. State your obtained F from the SPSS output, the dfs, and your significance level (p-value). 7.…

A: Anova is a type of parametric test and follows the equality of variance assumption. It used to…

Q: X2 X, +X2 and q = 1-p waluate the following formula p, -p2 = 0, xq = 64, x2 = 13, n,= 290, ng = 304,…

A: Givenp1-p2=0x1=64x2=13n1=290n2=304

Q: The U.S. Postal Service (USPS) has used optical character recognition (OCR) since the mid-1960s. In…

A:

Q: QUESTION 8 Amy rolls a die that she suspects is unfair a total of 500 times and records the results…

A:

Q: (c) Food delivery order received by a fast food restaurant during day time follows Poisson…

A: Given that  Average fast food restaurants during day time order per hour=12

Q: A government initiative is implemented to reduce the average annual out-of-pocket medical costs for…

A: We have given that  Population mean (µ) = 5340Standard deviations (σ) = 2010Sample size (n) =…

Q: 3. From the results below, what test of association would be best to use with these two variables?…

A: A. In the given situation, the variables are nominal variables. We can consider either Phi value or…

Q: Post Hoc Comparisons using Confidence Intervals Groups Primary school 3 15.67 6.33 Junior high…

A:

Q: B. Find the length of the confidence interval given the following data. 1. p = 0.35 2. p = 0.45 3. p…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…