Statistics question and answers for July 10, 2023
- Q Oak hill has 74806 registered automobiles. A city ordinancerequires each to display a bumper decal showing that the owner paidan annual wheel tax of $50. By law, new decals need...
- Q 6.31. The exponential distribution can be usedto solve Poisson-type problems in which the intervals are not time.The Air Travel Consumer Report published by the U.S. Department ofTransportation reported that in...
- Q 2.32 The following are the grades that 50 studentsobtained on an accounting test:7365827045507054327575676560758783407264587589707355617889934351593865717585658549975560767569354563Convert the distribution from classes 30-39, 40-49,50-59, …, and 90-99 into cumulative “less than†distribution,beginning with “less than...
- Q A very large study showed that aspirin reduced the rate of firstheart attacks by 45%. A pharmaceutical company thinks it has a drugthat will be more effective than aspirin, and...
- Q A research laboratory was developing a new compound for therelief of severe cases of hay fever. In an experiment with 36volunteers, the amounts of the two active ingredients (A &...
- Q 1.a We have 12 dice: 8 are regular and 4 are irregular. Theprobability of getting a 3 with an irregular dice is twice theprobability of anyone of the rest of...
- Q The following data is representative of that reported in anarticle on nitrogen emissions, with x = burner arealiberation rate (MBtu/hr-ft2) and y =NOx emission rate (ppm):x100125125150150200200250250300300350400400y150130190220190330280400420430400590610680(a) Assuming that the simple...
- Q Table 1: Weight Suspended in kgLukeReyAnikinweek101035week2101041week3152045week4202048week5254050week6304053week7358055week8408061week94516070week105016074week115532077week126032080In an alternate reality, a temporal anomoly transports LukeSkywalker, Rey and Anikin Skywalker to Yoda's home planet as 8 yearolds. Yoda's people decide to train...
- Q Q: Answer yes or no to each of the items from ato c. If yes, briefly justify the statement, if no, provide acounter-example or disprove the statement.a) We have a...
- Q The box plot shows the undergraduate in-state tuition per credithour at four-year public colleges.Estimate the median.Estimate the first and third quartiles.Determine the interquartile range.Beyond what point is a value considered...
- Q A manufacturing company produces electrical insulators. If theinsulators break when in use, a short circuit is likely to occur.To test the strength of the insulators, destructive testing iscarried out to...
- Q The table shows the number of confirmed COVID-19 infected cases,number of death and number of recovered cases in four countriesaccording to 5/4/2020 global record. The total confirmed casesaround the world...
- Q BrandDisplay_sizePriceStorageScreen_typePurchase LikelihoodCombination1Samsung10\" display$49932 GBLCD10Combination2Apple10\" display$49916 GBLCD7Combination3Apple8\" display$39932 GBLCD2Combination4Samsung8\" display$39916 GBLCD8Combination5Samsung8\" display$49932 GBLED9Combination6Apple10\" display$39932 GBLED9Combination7Samsung10\" display$39916 GBLED10Combination8Apple8\" display$49916 GBLED6QUESTION 1Graph includes responses of a consumer. The consumer was given 8different combinations...
- Q What is the p-value of a two-tailed one-meanhypothesis test, with a test statistic of z0=0.27? (Do not roundyour answer; compute your answer using a value from the tablebelow.)z0.10.20.30.40.50.000.5400.5790.6180.6550.6910.010.5440.5830.6220.6590.6950.020.5480.5870.6260.6630.6980.030.5520.5910.6290.6660.7020.040.5560.5950.6330.6700.7050.050.5600.5990.6370.6740.7090.060.5640.6030.6410.6770.7120.070.5670.6060.6440.6810.7160.080.5710.6100.6480.6840.7190.090.5750.6140.6520.6880.722
- Q According to U.S. Department of Transportation report, 8% of allthe registered cars fail the emissions test.a)For a random sample of 10 cars, what is the chance that 4 ofthem will...
- Q Suppose a grocery store is considering the purchase of a newself-checkout machine that will get customers through the checkoutline faster than their current machine. Before he spends the moneyon the...
- Q 3. A study was conducted to relate birthweight (measured inhundreds of grams) and estriol level (measured in mg/24hr) in 11pregnant women. A simple linear regression model was ï¬t to thesample...
- Q A sample of 16 joint specimens of a particular type gave asample mean proportional limit stress of 8.44 MPa and a samplestandard deviation of 0.73 MPa.(a) Calculate and interpret a...
- Q IDAffiliationLocationEducationConfidence113072213565304566401478503181612581711283813374904078100228511011851213569131206914132791514182161157417030851804068In the previous item, we used the Mann-Whitney test rather thanan independent t-test. Why might we Mann-Whitney rather than thet-test?Original question- A sample of nurses with affiliation toprivate hospitals (affiliation...
- Q Can I have a reference and intext citation of the software SASuniversity edition & SAS 9.4 please thank you
- Q *Regarding Pearsons Correlation Coefficent:explain why the average rank of a vector with n observationsis always n/2 + 1/2assume that ties amongst observations are broken at random. sono two observations ever...
- Q The contents (in g) of Fritz ketchup bottles are known to followthe Normal distribution with mean 452g and standard deviation0.5g.c) Find the percentage of bottles with contents that weighbetween 452.5g...
- Q Suppose that the number of requests for assistance received by atowing service is a Poisson process with rate α = 6 per hour.a) Find expected value and variance of the...
- Q Consider the following gasoline sales time series data. Click onthe datafile logo to reference the data.WeekSales (1000s of gallons)1 Â Â Â 16Â Â Â 2 Â Â Â 21Â Â Â 3 Â Â Â 19Â Â Â 4 Â Â Â 24Â Â Â 5 Â Â Â 18Â Â Â 6 Â Â Â 16Â Â Â 7 Â Â Â 19Â Â Â 8 Â Â Â 17Â Â Â 9 Â Â Â 23Â Â Â 10 Â Â Â 20Â Â Â 11 Â Â Â 15Â Â Â 12...
- Q QUESTION 4: The returns for an asset are normally distributed.The mean return is 9.75% and the standard deviation is 3.25%. a.What is the probability of earning a negative return? (3...
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