Basic Math question and answers for August 24, 2023
- Q The state of California has a mean annual rainfall of 27.6inches, whereas the state of New York has a mean annual rainfall of48.7 inches. Assume the standard deviation for California...
- Q Five people on thebasement of a building get on an elevator that stops at sevenfloors. Assuming that each has an equal probability of going to anyfloor, find(a) the probabilitythat they...
- Q Let’s consider a study that followed a randomly selected groupof 100 State U students during a two-year period at the school. Thestudy found that a linear relationship exists between the...
- Q Identify the sampling method for each scenario.(a) An orchard farmer subdivides his orchard into 40 parcels ofland. He randomly selects 4 parcels and inspects every tree onthose parcels for the...
- Q Consider the following data collected from a sample of 12American black bears:Length (cm)139.0138.0139.0120.5149.0141.0141.0150.0166.0151.5129.5150.0Weight (kg)110609060851009585155140105110(a) Sketch a scatterplot of the data. Treat length as theexplanatory variable. Describe the association.(b) Construct the...
- Q In the following problem, check that it is appropriate to usethe normal approximation to the binomial. Then use the normaldistribution to estimate the requested probabilities. It isestimated that 3.5% of...
- Q Truckloads of waste contaminated with cadmium may either be sentto a sanitary landfill or a hazardous waste landfill. The levels ofcadmium vary daily so each morning a sample of truckloads...
- Q A person's blood glucose level and diabetes are closely related.Let x be a random variable measured in milligrams of glucose perdeciliter (1/10 of a liter) of blood. Suppose that after...
- Q Is there a relationship between confidence intervals andtwo-tailed hypothesis tests? Let c be the level of confidence usedto construct a confidence interval from sample data. Let α be thelevel of...
- Q . Dean runsThe Creamy Bar which specialises in artisan ice cream soldat a local farmer’s market. Prevailing prices in the local marketare $8 for a take-home tub of Classic Vanilla...
- Q For this first Pause-Problem, I want you to design three(brief!) studies (they can all be variations on the same idea).Make sure to note the independent and dependent variables forall1). One...
- Q The Economic Policy Institute periodically issues reports onwages of entry level workers. The institute reported that entrylevel wages for male college graduates were $21.68 per hour and forfemale college graduates...
- Q Traditional definition of independence says that events A and Bareindependent if and only if P(A n B)=P(A)×P(B). Show that P(A nB)=P(A)×P(B) ifand only ifa. P(A n B’) = P(A) ×...
- Q 2,006 persons are cross classified by disease and exposure.Our outcome of interest is having the disease.Use the following 2 x 2 table to answer questions below.DiseaseNo DiseaseExposed9992Not Exposed16989a. What percent...
- Q The length of western rattlesnakes are normally distributed witha mean of 60 inches and a standard deviation of 4 inches. Enteranswers as a decimal rounded to 4 decimal places with...
- Q Assume the binomial distribution is appropriate. If N = 10 and P= 0.30, the probability of getting at least 8 P events is_________.
- Q Two players (player A and player B) are playing a game againsteach other repeatedly until one is bankrupt. When a player wins agame they take $1 from the other player....
- Q Determine the area under the standard normal curve that liesbetween:a. z= -.31 and z=1.61b. z=-2.01 and z=.26c. z=-1.20 and z=2.11d. z=1.92 and z=2.43Find the value of zaa. z.56=b. Z.23=c. Z.81=d....
- Q 5.) For the data set2445789101212131316161616171919202324242425262627282829313234343637384244454647474850525353545556565758(a) Find the 80th percentile.The 80t percentile is =Â Â (a) Find the 42nd percentile.The 42nd percentile is =Â Â (a) Find the 17th percentile.The 17th percentile is =Â Â (a) Find...
- Q Chapter 3 – Numerically Summarizing DataSection 3.1 Measures of Central TendencypH in Water:The acidity of alkalinity of asolution is measured using pH. A pH less than 7 is acidic; a...
- Q (A review on SAS data management) The following is a data set of12 individuals. And we want to relate the heart rate at rest (Y) tokilograms body weight (X). X...
- Q You may need to use the appropriate technology to answer thisquestion.Test the following hypotheses by using theχ2goodness of fit test.H0:pA = 0.40,pB = 0.40, andpC = 0.20Ha:Thepopulation proportions are not...
- Q From your analysis of Desertia, you conclude that citizens thereaverage $1,000 per month in household disposable income. TheMinister of Development for Mountania says that disposable incomeis the same in his...
- Q What does the sigma level capability mean for a process? Explainat least two reasons for the importance of achieving six-sigmacapability. explain in detail
- Q The college bookstore tells prospective students that theaverage cost of its textbooks is $108 with a standard deviation of$4.50. A group of smart statistics students thinks that the averagecost is...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!