Basic Math question and answers for August 27, 2023
- Q Consider the probability that at least 36 out of 298 cell phonecalls will be disconnected. Choose the best description of the areaunder the normal curve that would be used to...
- Q The American Bar Association reports that the mean length oftime for a hearing in juvenile court is 25 minutes. Assume thatthis this your population mean. As a lawyer who practices...
- Q Must solve in R codeQuestion 2The random variable X is a payout table of a casino slotmachine. The probability mass function is given:X  -5  0  2  10  20  40  60  1000Probability  0.65  ...
- Q A random sample of 334 medical doctors showed that 174 had asolo practice.(a) Let p represent the proportion of all medical doctors whohave a solo practice. Find a point estimate...
- Q The following eight observations were drawn from a normalpopulation whose variance is 100:12822153062958Part AWhat is the standard error of the sample mean, based on theknown population variance? Give your answer...
- Q The Pew Research Center took a randomsample of 2928 adults in the United States in September 2008. Inthis sample, 53% of 2928 people believed that reducing the spreadof acquired immune...
- Q According to a survey in a​ country, 18​% of adults do not own acredit card. Suppose a simple random sample of 900 adults isobtained. ​(b) What is the probability that...
- Q A sales and marketing management magazine conducted a survey onsalespeople cheating on their expense reports and other unethicalconduct. In the survey on 200 managers, 58% of the managers havecaught salespeople...
- Q A major department store chain is interested in estimating themean amount its credit card customers spent on their first visit tothe chain’s new store in the mall. Fifteen credit card...
- Q #9.Assume that human body temperatures are normally distributedwith a mean of 98.23 °F and a standard deviation of 0.63 °F.1. A hospital uses 100.6 °F as the lowest temperature consideredto...
- Q Sigall and Ostrove(1975) did an experiment to assess whether the physicalattractiveness of a defendant on trial for a crime had an effect onthe severity of the sentence given in mock...
- Q 1. Describe how the education of healthcare professionalsimpacts the delivery of healthcare services in the community andaround the world.2. Describe two capabilities/competencies required of today’shealthcare professionals in addition to those...
- Q Using the weather Markov chain simulate the weather over 10 daysby flipping a coin to determine the chances of sunny or cloudyweather the next day according to the Markov chain's...
- Q In a class of 87 people, 27 wear glasses, 32 are blonde, and 38are neither blonde nor wear glasses. Find the probability that astudent chosen at random will have blonde...
- Q The following data represents the calories and fat (in grams)of 16-ounce iced coffee drinks at Dunkin’ Donuts andStarbucks:ProductCaloriesFatDunkin Donuts Iced Mocha Swirl latte (whole milk)2408Starbucks Coffee Frappuccino blended coffee2603.5Dunkin Donuts...
- Q The Apex corporation produces corrugated paper. It has collectedmonthly data from January 2001 through March 2003 on the followingtwo variables:y= total manufacturing cost per month (In thousands of dollars)(COST)x= total...
- Q 7-31 Consider the following LP problem:Maximize profit=5X+6Ysubject to2X+Y≤120, 2X+3Y≤240X,Y≥0What is the optimal solution to this problem? Solve itgraphically.If a technical breakthrough occurred that raised the profit perunit of X to...
- Q \"Trydint\" bubble-gum company claims that 3 out of 10 peopleprefer their gum to \"Eklypse\". Test their claim at the 99confidence level. The null and alternative hypothesis in symbolswould be: H...
- Q Consider two independent random samples with the followingresults: n 1 =160 x 1 =84     n 2 =95 x 2 =72 Use this data to findthe 90% confidence interval for...
- Q Here are summary statistics for randomly selected weights ofnewborn​ girls: n=187​, x =30.8 ​hg, s=7.9 hg. Construct aconfidence interval estimate of the mean. Use a 90​% confidencelevel. Are these results...
- Q At one point the average price of regular unleaded gasoline was$3.53 per gallon. Assume that the standard deviation price pergallon is ​$0.07per gallon and use​ Chebyshev's inequality to answer thefollowing.​(a)...
- Q The standard deviation alone does not measure relativevariation. For example, a standard deviation of $1 would beconsidered large if it is describing the variability from store tostore in the price...
- Q A company uses three different assembly lines – A1, A2, and A3 –to manufacture a particular component. Of those manufactured byline A1, 5% need rework to remedy a defect, whereas...
- Q 1. A custodian wishes to compare two competing floor waxes todecide which one is best. He believes that the mean of WaxWin isnot equal to the mean of WaxCo. In...
- Q Question:The survey is conducted to calculate average number of sickdays.The employees are categorised into nurses, doctors andadministrators. Stratified random sampling, is used with each groupforming a separate strata in order...
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