Normally distributed and the sample variances
If we have independent random samples n1=6 and n2=2 which are normally distributed and the sample variances are s21 = 5 and s22 = 15, can we assume σ21=σ22?
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If the total is 17, then I roll two more dice and add that to the total. If these two bonus dice total 20, then the score of that game is 37. Of ten thousand games, what is the average score? Both answer and spreadsheet needed.
At time t > 0 (in hours since giving the drug), the concentration (in mg/L) is given by the equation: c(t)= (60t)/(t^2+9). What is the highest concentration of the drug?
At the top of its trajectory, the projectile explodes into two fragments of masses 0.97 kg and 2 kg. At 3.87 s after the explosion, the 2-kg fragment lands on the ground directly below the point of explosion. Determine the energy released in the e
A chemist wanted to mixed 6.0 mL of solution A (d=0.82 g/mL) with solution B (d=0.94) so that the final density of the solution was 0.88 g/ml. How many mLs of solution B must he mix with A to obtain the desired density?
A small metal bead, labeled A has a charge of 25 nC. It is touched to metal bead B, initially neutral, so that the two beads share the 25 nC charge, but not necessarily equally. When the two beads are then placed 5.0 cm apart, the force between th
Find the local maximum and minimum values of the function below, and the value of x at which each occurs. Find the average rate of change for the function f(x)= 1/6x+7 between x=a and x=a+h
Can someone please tell me why adding reagent-gradeacetone removes NaOH from a product in which the Michael addition reaction used NaOH as a catalyst
For the first 9 months of 2009 the account earned i^(12)=.105, and since then the account has been earning i^(12)=.12. Find the balance in the account on each of the following days:
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.