Basic Math question and answers for September 17, 2023
- Q An environmentalist wants to find out the fraction of oiltankers that have spills each month.Step 1 of 2:Suppose a sample of 292 tankers is drawn. Of these ships, 58 hadspills....
- Q In its Fuel Economy Guide for 2016 model vehicles, theEnvironmental Protection Agency provides data on 11701170 vehicles.There are a number of high outliers, mainly hybrid gas?electricvehicles. If we ignore the...
- Q a packing plant fills bags with cement. the weight X kg of a bagcan be modeled normal distribution with mean 50kg and standarddeviation 2kg.a) Find the probability that a randomly...
- Q I dont know what to do: Is there a significant differencebetween drug type and mean relative-change* of Cholesterol fromscreening to follow up?* Relative Change = (Follow up - Initial) /...
- Q how to interpret confidence intervals and how NOT tointerpret them.What are the assumptions to justify the use ofhypothesis testing?If the null hypothesis is rejected, what can weconclude? If we know...
- Q A researcher wants to conduct a before/after study on 12subjects to determine if a treatment results in any difference inscores. Scores are obtained on the subjects both before and afterthe...
- Q A recent study reported that 51?% of the children in aparticular community were overweight or obese. Suppose a randomsample of 500 public school children is taken from this community.Assume the...
- Q Decide whether you can use the normal distribution toapproximate the binomial distribution. If you can, use the normaldistribution to approximate the indicated probabilities and sketchtheir graphs. If you cannot, explain...
- Q Perpbisogram Definition: A perpbisogram of aquadrilateral is a polygon formed by the perpendicular bisectors ofthe sides of the quadrilateral.Prove the following theoremThe angles of a trapezoid are congruent to the...
- Q Prove both of the following theorems in the context of IncidenceGeometry. Your proofs should be comparable in terms of rigor andprecision (and clarity of thought!) to the ones done in...
- Q Can someone write a 2 page paper on TeachingPhilosophy regarding geometry . ?
- Q Round 29.4996 to the nearest tenths placeRound 29.4996 to the nearest thousands placeRound 32,594.0507 to the nearest thousands placeRound 32,594.0507 to the nearest hundredths placeRound 97.8493 to the nearest whole...
- Q "Factors influencing vaccine completionrate "
- Q what percentage of a mixture of sand, gravel and cementcontaining 30% cement should be replaced by pure cement in order toproduce a mixture that is 40% cement?
- Q Which one of the followings is constructible by using compassand straightedge? WhyA. regular 7-gonB. regular 37-gonC. regular 85-gonD. regular 97-gon
- Q 10. Assume k is a scalar and A is a m × n matrix. Show that ifkA = 0 then either k = 0 or A = 0m x n
- Q Unknown variable6/15d+9/30d-1/6d=d+1.5-2/12d
- Q The table below contains data for a linear function:tt6.26.46.66.8f(t)f(t)565.2577.4589.6601.8Find a formula for the function.f(t)=
- Q If 3m=12, then what does 2m+1 equal?
- Q During four years of college, Nolan MacGregor's student loansare $4000, $3500, $4400, and $5000 for freshman year through senioryear, respectively. Each loan amount gathers interest of 1.9%,compounded quarterly, while Nolan...
- Q (b) Show that the three bisectors of the an- gles of a triangleare concurrent, that is,they all pass through some point P.
- Q A small business owner contributes $2000 at the end of eachquarter to a retirement account that earns 4% compoundedquarterly.(a) How long will it be until the account is worth $150,000?(Round...
- Q Can i please have a quick explanation on Markov Chain in linearalgebra.Thanks
- Q Assume that you have a balance of $9000 on your MasterCard andthat you make no more charges. Assume that MasterCard charges 12%APR and that each month you make only the...
- Q A plane delivers two types of cargo between two destinations.Each crate of cargo I is 7 cubic feet in volume and 131 pounds inweight, and earns $20 in revenue. Each...
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