Basic Math question and answers for July 28, 2023
- Q I am working on creating a Wiebull distribution from a large setof data I have. Everything I find online says that I should begiven the shape parameter (beta), and scale...
- Q Problem 28. A fair six-sided die is rolled repeatedly and therolls are recorded. When two consecutive rolls are identical, theprocess is ended. Let S denote the sum of all the...
- Q In clinical trials of the allergy medicine Clarinex (5 mg), itwas reported that 50 out of 1655 individuals in the Clarinex groupand 31 out of 1652 individuals in the placebo...
- Q Discuss how more sophisticated simulation and Crystal Ball canbe used to address complex business issues.
- Q The price of a share of stock divided by the company's estimatedfuture earnings per share is called the P/E ratio. High P/E ratiosusually indicate "growth" stocks, or maybe stocks that...
- Q A group of 10 adults is asked to type a passage of text. Hereare their times in seconds: 28.9, 27.3, 29.1, 31.5, 27.7, 29.3,28.3, 30.1, 30.7, 30.9 where ¯x=29.38 and...
- Q A presidential candidate's aide estimates that, among allcollege students, the proportion p who intend to vote in theupcoming election is at least 70%. If 158 out of a random sample...
- Q Using the data from your organization, identify an example wherethe quantitative Statistical Quality Control could assist with adecision.a) Define the states ofproblem.b) Organize data in a ControlChart for the Mean...
- Q Positive, Negative, or zero. Suppose you are looking at threeseparate relationships that are modeled by linear functions. Onelinear model has a positive slope, one has a negative slope, andone has...
- Q Use the following data set to calculate the regression equation.What would you estimate the happiness rating for someone who has 5children to be?Number of childrenHappiness Rating215586435567126532
- Q A researcher wants to know if the news station a person watchesis a factor in the amount of time (in minutes) that they watch. Thetable below shows data that was...
- Q The fact that confidence intervals and hypothesis tests are bothused to determine statistical significance means that they can beused interchangeably and give us the same information.TrueFalseRationale:
- Q 24.Rolling Die Two dice arerolled. Find the probability of gettinga.A sum of 8, 9, or 10b.Doubles or a sum of 7c.A sum greater than 9 or less than 4d.Based on...
- Q Needing to measure how each factor (WAR, ERA, WHIP) effectssalaries. Needing to see the probability an individual with ahigher WAR will also receive a larger paycheck versus a person hasa...
- Q One measure of the value of a stock is its price to earningsratio (or P/E ratio). It is the ratio of the price of a stock pershare to the earnings...
- Q Ross Simons, a jewelry cataloguer, has tested two creatives forthe cover of the spring 2018 catalogue. The themes were inspiredfor the birthstones of April and May. The timing of the...
- Q The issue of Sample size and its impact on the marketing testresults requires action when (it is possible that more than oneanswer may be correct)?A. Sample sizes should be a...
- Q COMPLETE A LOGISTIC REGRESSION, AS WELL AS A K-MEANS CLUSTERANALYSIS IN EXCEL?Using the data to find four clusters of cities. Write a shortreport about the clusters you find. Does the...
- Q The distribution of Master’s degrees conferred by a universityis listed in the table.MajorFrequencyMathematics216English207Engineering86Business176Education267What is the probability that a randomly selected studentgraduating with a Master’s degree has a major of Education...
- Q What is the root-sum-square uncertainty model?
- Q 1. Test the claim about the population mean, ?, at the level ofsignificance, ?. Assume the population is normally distributed.Claim: ? ? 47, ? = 0.01, ? = 4.3 Sample...
- Q For this discussion, you will create an example to which thechi-square test of independence could be applied. Develop a mainresponse in which you address the following:Identify two categorical variables for...
- Q A quality standard says that no more than 2 percent of the eggssold in a store may be cracked (not broken, just cracked). In 3cartons (12 eggs each carton), 2...
- Q The mean potassium content of a popular sports drink is listedas 146 mg in a 32-oz bottle. Analysis of 28 bottles indicates asample mean of 145.5 mg.(a)State the hypotheses for...
- Q At an outpatient mental health clinic, appointment cancellationsoccur at a mean rate of 1.2 per day on a typical Wednesday. LetX be the number of cancellations on a particularWednesday. (a)Justify the...
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