art 2: Solve and Interpret Fajilan administered a test consists of 45 multiple-choice type of questions. The scores of the students were: 16 22 26 28 29 31 35 38 18 23 26 28 30 32 36 38 21 24 27 28 30 32 36 39 21 25 27 29 31 33 37 40 22 26 27 29 31 34 37 45

Q: A researcher wishes to estimate the proportion of adults who have high speed internet access. What…

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.90.

Q: let there are 6 states then how many to arrange the transition matrix?

A:

Q: The percentage of seeds that germinate (under ideal conditions) is known as the germination rate of…

A: Givensample size(n)=730x=670significance level=5%=0.05p^=xn=670730=0.9178

Q: The standard mean constant of the composition is.

A: Given:  E(w)=1000  And E(ln*w)=3600  Then to find standard mean constant composition?

Q: the value of (E(P1q0) equals.

A:

Q: In each part, find the area under the standard normal curve that lies between the specified z-score,…

A: a)Givenarea of interest between -1 and 1

Q: Events A and B are mutually exclusive with P (A) equal to 0.331 and P (A or B) equal to 0.727. Find…

A:

Q: Consider an equation to explain salaries of CEOs in terms of annual firm sales, return on equity…

A:

Q: The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 420…

A:

Q: any students take standardized tests for college applications. They are called standardized tests…

A: Given, Suppose the mean and standard deviation for the ACT composite score, the SAT critical reading…

Q: Many students take standardized tests for college applications. They are called standardized tests…

A: Given, Suppose the mean and standard deviation for the ACT composite score, the SAT critical reading…

Q: Perform the test of hypothesis on the following scenarios. The minimum wage earners of the National…

A: Given Information: Sample size n=144 Sample mean x¯=510 Sample standard deviation s=100

Q: Favorite Season Display the data to the right in a Pareto chart. Describe the difference in how the…

A: Solution: a. Since pareto chart shows season from highest to lowest frequency:

Q: One disadvantage of a between-subjects design is differences between the participants in the…

A: Between Subjects design: Between-subject design is such a design in which different subjects are…

Q: For the following question, type the solutions to each part of the question in the space provided at…

A: From the given information we conduct Hypothesis test.

Q: Recreational Time A researcher wishes to see if there is a difference between the mean number of…

A: Introduction: Denote μ1, μ2 as the true mean number of hours spent weekly in recreational activities…

Q: 2. Solve for the value of n given that the total population is 1650 and the percentage of error is…

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  Here use slovin's formula

Q: is Algo (Multiple coercent of Dete allowing estimated regression equation is based on 30…

A:

Q: an astronaut training session includes 6 women and 10 men. a crew of four astronauts is randomly…

A: Given that  an astronaut training session includes 6 women and 10 men. a crew of four astronauts is…

Q: 6. Let {Xn, n N} be a sequence of independent random variables exponentially distributed with param-…

A: We have two law of large numbers: 1) Weak law of large numbers:  Suppose that the first moment E(x)…

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A: It is given that  Sample mean = 70.9 Sample standard deviation = 5.4 Sample size = 28 Confidence…

Q: Use the frequency histogram to complete the following parts. (a) Determine the number of classes.…

A: Given information: No. of variables=2Variables=1. Frequency.2. Salary.

Q: An educator estimates that the dropout rate for seniors at high schools in a certain state is 15%.…

A: According to the given information in this question sample size and number of favorable cases are…

Q: find the following probabilities. Use a graphing calculator and round the answers to four decimal…

A: It is given that  Mean = 23.2 Standard deviation = 2.7 Z-Score, Z = ( X - μ )σ   Note: The p-value…

Q: The Value of Pi The ratio of the circumference of a circle to its diameter is known as (pi). The…

A:

Q: Rock band The Rolling Stones have played scores of concerts in the last twenty years. For 30…

A:

Q: a test of the hypothesis H0: μ=59 versus Ha: μ>59​, a sample of n=100 observations

A: Given that H0: μ=59vsHa: μ>59​,n=100x=58.3s=4.6. and let alpha=0.05

Q: Consider the following regression output: Pt = 0.2033 + 0.656Xt se = (0.0976) (0.1961) r² = 0.397…

A:

Q: Identify the sampling method for each scenario.   ​a.  You randomly sample 200 households in your…

A: scenarios are given and we need to find out which sampling method will be used.

Q: The quality of the orange juice produced by a manufacturer is constantly monitored. There are…

A: Given: Sample size n = 24   Formula Used: Confidence interval = b ± t*×Sb  Slope b =…

Q: The relationship between nominal exchange rate and relative prices. From annual observations from…

A: Given Y= exchange rate of Canadian dollar to the U.S dollar X=relative prices = U.S CPI/Canadian CPI…

Q: calculate the standard deviation for 3 plants

A:

Q: Find the S.D of the following data: 1216, 1374, 1167, 1232, 1407, 1453, 1202, 1372, 1278, 1141,…

A: Given data is 1216, 1374, 1167, 1232, 1407, 1453, 1202, 1372, 1278, 1141, 1221, 1329

Q: Interpretation of the data.    t = -3.4554, df = 6991, p-value = 0.0002763 alternative hypothesis:…

A: The provided information is t=-3.4554 df=6991 p-value=0.0002763 The alternative hypothesis is…

Q: Suppose you are using a = 0.01 to test the claim that μ≤36 using a P-value. You are given the sample…

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Q: The lengths and weights of a zoo's pygmy shrews were recorded during their annual health check.…

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Q: Find: 1- P(50<x< 150)? 2-P(x<100)? 3- P(x<50)?

A: here given pdf of x  f(x) = Ae-x100      x ≥00                  x&lt;0

Q: Which of these analysis helps find the "best fitting" equation for future predictions? Group of…

A: Given : State : Analysis helps find the "best fitting" equation for future predictions

Q: Discuss the differences between an ANOVA and a correlation. Write as many differences as you can…

A: ANOVA: It stands for Analysis of Variation. It is a statistical measure used to compare more than…

Q: The cost of a daily newspaper varies from city to city. However, the variation among prices remains…

A: Given that: Take 1 dollar = 100 cents Population standard deviation, σ=0.20 Population mean μ=1…

Q: Golf-course designers have become concerned that old courses are becoming obsolete since new…

A: a.   Assume that μ is the population mean driving distance.

Q: Consider a normal population distribution with the value of a known. USE SALT (a) What is the…

A:

Q: Major League Baseball now records information about every pitch thrown in every game of every…

A:

Q: A college would like to estimate the proportion of its students that work full-time while going to…

A: A college would like to estimate the proportion of its students that work full-time while going to…

Q: n terms of the model parameters, state the null hypothesis that, after controlling for sales and…

A: Solution: The population regression equation is  log(Salary)=β0+β1log(sales)+β2roe+β3ros

Q: Obtain a most powerful critical region for the distribution 0e-ex for x ≥0 P (x, 0) = for x<0 for…

A:

Q: At age 9, the average weight (21.3 kg) and the average height (124.5 cm) for both boys and girls are…

A: With the interpretation, it is obtained that: For boys:n1sample size=50, x¯1sample mean=123.3,…

Q: ong wait times. To improve their image, man have worked hard to reduce their ER wait tim requently…

A: Given, sample size (n) = 139 sample mean (x̄) = 4.18 population mean ( µ ) = 4  sample standard…

Q: If for one half of n-events, the chance of success is p and the chance of failure q whilst for the…

A:

Q: The manufacturer of a particular brand of tires claims that its deluxe tire averages at least 50,000…

A: