Basic Math question and answers for September 23, 2023
- Q Community members who attended the Annual Neighborhood picnicearlier today are experiencing illness which they believe arerelated to food served at the picnic. Using the table below:Calculate the attack rate for...
- Q In 2001?, a reproductive clinic reported 43 live births to 169women under the age of? 38, but only 9 live births for 75 clientsaged 38 and older. Is there evidence...
- Q Kathy Chen?, owner of Flower Hour?, operates a local chain offloral shops. Each shop has its own delivery van. Instead ofcharging a flat delivery? fee, Chen wants to set the...
- Q The breaking strengths of cables produced by a certainmanufacturer have a standard deviation of 91 pounds. A randomsample of 90 newly manufactured cables has a mean breaking strengthof 1700 pounds....
- Q The auditor for a large corporation routinely monitors cashdisbursements. As part of this process, the auditor examines checkrequest forms to determine whether they have been properlyapproved. Improper approval can occur...
- Q A recent poll stated that if the presidential election were heldtoday, the results would be as follows:Candidate A: 33%Candidate B: 33%Undecided: 34%Margin of error is 20%Based on our class discussions...
- Q What is a hypothesis? Provide an example of a "null hypothesis"and an "alternative hypothesis"
- Q Researchers at Consumer Reports recently found that fish areoften mislabeled in grocery stores and restaurants. They areinterested to know, however, if the proportion of mislabelingvaries by type of fish. They...
- Q Discuss the differences in a regression model between making therandom error being multiplicative and making the random error beingadditive regarding how you approach estimation of the modelcoefficient(s), how you apply...
- Q A hospital employs 338 nurses and 35?% of them are male. Howmany male nurses are? there? b. An engineering firm employs 168engineers and 109 of them are male. What percentage...
- Q Researchers studied a random sample of high school students whoparticipated in interscholastic athletics to learn about the riskof lower-extremity injuries (anywhere between hip and toe) forinterscholastic athletes. Of 998 participants...
- Q You wish to test the claim that the first population mean is notequal to the second population mean at a significance level of?=0.005?=0.005. Ho:?1=?2Ho:?1=?2Ha:?1??2Ha:?1??2You obtain the following two samples of...
- Q 5.A survey of 15 randomly selected employees from Bob’s factorywas taken to find out how many sick days they took due to colds andflu last year. Suppose Bob didn’t take...
- Q A researcher is interested in whether the variation in the sizeof human beings is proportional throughout each part of the human.To partly answer this question they looked at the correlationbetween...
- Q The U.S. Census Bureau conducts annual surveys to obtaininformation on the percentage of the voting-age population that isregistered to vote. Suppose that 608 employed persons and 719unemployed persons are independently...
- Q A survey of several 9 to 11 year olds recorded the followingamounts spent on a trip to the mall: $20.70, $20.82, $12.32,$19.53, $24.43Construct the 98% confidence interval for the average...
- Q Consider two stocks with returns RA and RB with the followingproperties. RA takes values -10 and +20 with probabilities 1/2. RBtakes value -20 with probability 1/3 and +50 with probability...
- Q A national organization that promotes good local governmentmanagement (ICMA) is interested if a city’s region is related toprivatized waste collection.Privatized GovernmentEAST20 40WEST10 30SOUTH30 401. Provide null and alternative hypotheses in formal terms andlayperson's terms...
- Q #$Last, the researchers hopes to understand howGDP influence birth rates. They theorize that perhaps countrieswith higher gross domestic product will invest more in women’sschooling. If more women know how to...
- Q #%Last, the researchers hopes to understand howGDP influence birth rates. They theorize that perhaps countrieswith higher gross domestic product will invest more in women’sschooling. If more women know how to...
- Q The local library if they get more patrons visiting by shiftingsome early morning hours to evening. They take a sample of dayswith morning hours included 8-5pm compared to 12-9pm.8am-5pm hours:...
- Q A bag contains 3 white chips and 3 red chips. you repeatedlydraw a chip at random from the bag. if it's white, you set itaside; if it's red, you put...
- Q "Tongue Piercing May Speed Tooth Loss, Researchers Say" is theheadline of an article. The article describes a study of51 young adults with pierced tongues. Theresearchers found receding gums, which can...
- Q Historical delivery times for Jackson Trucking, Inc. have had amean of 3 hours and a standard deviation of 0.5 hours. A sample of22 deliveries over the past month provides a...
- Q The employee credit union at State University is planning theallocation of funds for the coming year. The credit union makesfour types of loans to its members. In addition, the credit...
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