Describe how you would apply the five basic steps of a statistical study to the given issue. As an executive of a large software company, you want to know whether there has been an increase in levels of stress amongst your employees.
What will be an ideal response?
Step 1: Population is all employees of the software company; goal is to determine level of stress among employees.
Step 2: Choose a representative sample
Step 3: Determine level of stress for those in the sample.
Step 4: Infer level of stress for all employees of the company.
Step 5: Assess results and formulate conclusion
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Solve the problem.A tank initially contains 100 gal of brine in which 40 lb of salt are dissolved. A brine containing 
of salt runs into the tank at the rate of 4 gal/min. The mixture is kept uniform by stirring and flows out of the tank at the rate of 3 gal/min. Find the solution to the differential equation that models the mixing process.
A. y = 2(100 + t) - 
B. y = 2(100 + t) - 
C. y = 4(50 + t) - 
D. y = 4(50 + t) - 
Determine whether the expression is a polynomial. If the expression is a polynomial, state whether it is a monomial, binomial, or trinomial. If the expression is not a polynomial, indicate why not.6a4
A. not polynomial, lacks other terms B. monomial C. trinomial D. binomial
Solve the linear equation.
+ 
= 
A. {0}
B. {1}
C. 
D. {10}
Provide an appropriate response.Explain the error made in finding the area of the parallelogram below.
A = bh A = 8 ? 4 A = 32 in.2
What will be an ideal response?