Suppose the sample data Xi = 3, 2, 4, 5, dan 1, then the mean and variance of X are : 1. O 3.0 dan 3.5, 2. O 3.5 dan 3.0 3. O 2.0 dan 3.0, 4. O 3.0 dan 2.5,

Q: Bariatric surgery, or weight-loss surgery, includes a variety of procedures performed on people who…

A: Given information:   Type of Complication   Non Life Threatening Serious None Total Gastric…

Q: Stoaches are fictional creatures distantly related to bigfoot and yeti. Stoach weights are normally…

A: From the provided information, Mean (µ) = 1587 g Standard deviation (σ) = 480 g X~N (1587, 480) Here…

Q: Stoaches are fictional creatures that nest in truffula forests. A researcher wants to know…

A:

Q: What is the expected value of the binomial distribution where n = 16 and p = 0.85? Express your…

A: Let X be the random variable from binomial distribution with probability (p) = 0.85 and sample size…

Q: 12. You are provided the monthly returns data for an investment fund and its benchmark for the last…

A: *Answer:

Q: The average final exam score for the statistics course is 76%. A professor wants to see if the…

A:

Q: 11-41/446 An article in The Journal of Clinical Endocrinology and Metabolism ["Simultaneous and…

A: For the given data using Regression in Excel we get output as SUMMARY OUTPUT…

Q: High School Competency Test A mandatory competency test for high school sophomores has a normal…

A: Given that.   X~N( μ , ?^2 )   μ=475    , ?=116   Z-score =( x - μ )/?

Q: Two events are independent of each other. If the probability of the first is 0.6, and the…

A: From the provided information, The events are independent. The probability of the first event = 0.6…

Q: Theorem: Let P be the pencil of all lines through point P. Then REF(P) 0(2) and ROT(P)=SO(2).

A:

Q: Does mode of transportation depend on political party? Researchers ask a group of people about how…

A: From the provided information, Number of rows (r) = 2 Number of columns (c) = 3 Level of…

Q: 9. The caffeine content of 8-ounce cans of a certain cola drink is approximately normally…

A:

Q: n the upcoming election between two close candidates, a poll reports that Jones leads Smith. For…

A: The formula to compute the confidence interval is, CI=(p-MOE,p+MOE) MOE indicates the margin of…

Q: A bag of M&M's has 5 red, 3 green, 6 blue, and 7 yellow M&M's. What is the probability of randomly…

A:

Q: Calculate the probabilities P P(X<6.7892) P( x ̅<6.7892)

A: We have given that the random variable X follows normal distribution with mean μ=4.7892 and variance…

Q: The following table shows the marks gained in an arithmetic examination by 100 pupils. ne maximum…

A: Thank you for posting the question. Since you have asked multiple question, we will solve the first…

Q: Suppose you conducted an experiment with four independent groups. If you decided to use separate…

A: The number of t tests for independent samples (g) is 6.

Q: . If the standard tools for time-series analysis, such as estimation of the acf, pacf and spectral…

A: If the standard tools for time-series analysis, such as estimation of the acf, pacf, and spectral…

Q: 10. Chemical analysis of Zn in two different fields indicated the following results: Field A: 4…

A:

Q: Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for…

A: Given,

Q: Determine the residual of a data point for which x = 0 and y = -1. Select one:  A.  -1.552 B.…

A: We have given that  The regression line for the data is y^ = 2.097x - 0.552

Q: Below gives the data concerning the dependent variable Default to predict if a customer will default…

A: Given that,  Dependent variable (Y) = default (1 = default , 0  = not default) Independent variable…

Q: A random sample of 300 college freshmen found that 112 of them own an iPhone. Find a 95% confidence…

A: Let n be the random sample , X be the number of own iPhone  Given n=300, X=112  Construct 95% CI for…

Q: A study shows that running increases the percent resting metabolic rate (RMR) in older women. The…

A: Given information: The average RMR of 35 elderly women runners was 32.1% higher than the average of…

Q: brazil spends 6.24% of its GDP on education, calculate the z-score for brazil. miu = 4.8% and the…

A: From the given information, the highest value is 12.46% and the lowest value is 1.46%.

Q: life insurance salesman sells on the average 3 life insurance policies per week. Use Poisson's law…

A: Given that  X~Poisson(λ=3) Probability mass function of X  P(X=x)=λxe-λ/x!   , x=0,1,2,____

Q: At a large industrial plant, employees were classified according to age and given a leadership exam.…

A: Hypothesis testing is an inferential procedure of testing a claim about a population characteristic.

Q: 10. Suppose that X . . , X, form a random sample from the normal distribution with mean 0 and…

A:

Q: For a sample of 48 monthly observations the regression of the percentage return on an investment (y)…

A: It is given that the slope value (b) is 8.2.

Q: A shop sells a particular make of video recorder. Assuming that the weekly demand for the video…

A:

Q: a. What is the probability that the customer is at least 30 but no older than 49? b. What is the…

A: here use given frequency distribution here in given table total 487 customer involve in survey here…

Q: State the null and alternative hypotheses. Report the test statistic and the p value. a. b. State…

A: Given that, a breakdown of 678 civil cases e originally tried in front of a judge and appealed by…

Q: A professor in the School of Business in a university polled a dozen colleagues about the number of…

A:

Q: Surgical complications: A medical researcher wants to construct a 99.8% confidence interval…

A: For the given data Sample size ( n ) =?

Q: ods 39.61 34.66 Dupont 54.50 43.88 Consolidated Edison 61.12 60.73 Johnson & Johnson 67.46 64.08…

A: company End of 1st Quarter Beginning of Year Bank of New York 25.13 18.51 Kraft Foods 39.61…

Q: The times to finish a cyber-security certification exam are known to be a normal distribution with…

A:

Q: The table on the right gives the annual income for eight families, in thousands of dollars. Find the…

A: Solution-: We have the annual income of 8 families in thousand of dollars. Family A B C D E F G…

Q: a. Use the sample data with a 0.01 significance level to test the claim that for the population of…

A: Given: Actress Actor 31 64 26 40 31 38 27 37 35 27 25 31 28 53 39 36 33 37…

Q: A box contains the following geodes, 4 hemalites, 5 tiger eyes, and 3 smoky quartz. If 3 geodes are…

A:

Q: 1. A 90 percent confidence interval for the slope of a regression line is determined to be (-0.181,…

A: Given: 90% confidence interval  -0.181, 1.529   slope=Lower limit+Upper limit2=-0.181+1.5292=0.674

Q: box contains 500 envelopes, of which 50 contain $100 in cash, 100 contain $25, and 350 contain $10.…

A:

Q: Percentage of viewers given they are 18 to 34 who prefer videos on a mobile or laptop device. (Round…

A: Given that  Viewer Age Video Viewing Platform Preferred   Row Total   mobile or laptop TV…

Q: The table shows the annual compensation of 40 randomly chosen CEOs (millions of dollars).   4.93…

A: (b)From the plotted histogram with the help of minitab we get the data is highly right skewed.…

Q: Determine the equation of the regression equation, reporting each to 3 decimal places. A. Slope is…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Stoaches are fictional creatures, brought back from extinction using ancient genetic material…

A: Given that.   X~N( μ , ?^2 )   μ=1049     , ?=57   Z-score =( x - μ )/?

Q: Stoaches are fictional creatures that feed on funistrada. According to Wikipedia, adult stoach…

A:

Q: Find the critical value z, necessary to form a confidence interval at the level of confidence shown…

A:

Q: A poll is given, showing 50% are in favor of a new building project. If 9 people are chosen at…

A:

Q: We are interested in determining if the accident proportions differ between the two age groups.…

A: It is given that For under age 18, sample size n1 = 500, X1 = 180 For over age 18, sample size n2 =…