Answer:
public class Icon implements Visible
{
// instance variable
//Constructor variable
Public Icon()
{
//implementation
}
//two methods will be implemented make visible and makeInvisible with the signage and return type
//displayed below
\ public boolean<em> makeVisible</em>()
{
//the implementation is registered here
public boolean <em>makeInvisible</em>()
{ //implemetation will be here
}
//other methods are of this type
Explanation:
Create an interface called Visible that includes twomethods: makeVisible and makelnvisible. Both methods should takeno parameters and should return a Boolean result. Describe how aclass might implement this interface.public interface Visible{public: boolean makeVisibleO;public boolean makelnvisibleO;
The above can be executed as a javascript
public class Icon implements Visible
{
// instance variable
//Constructor variable
Public Icon()
{
//implementation
}
//two methods will be implemented make visible and makeInvisible with the signage and return type
//displayed below
\ public boolean<em> makeVisible</em>()
{
//the implementation is registered here
public boolean <em>makeInvisible</em>()
{ //implemetation will be here
}
//other methods are of this type
Answer: Limited liability company
Explanation:
In such a structure the owners and the firm are considered separate. The owners in a LLC could not be held personally liable for the debts and liabilities of their company.
The companies have the limited liability feature of the corporations while the profit distribution method depicts partnership structure.
In the given case, Toby and Keith wants to distribute profit among them and also do not want to raise any outside capital. Also they want limited liability in their organisation.
Hence a Limited liability company is an appropriate choice for them.
The closest to the minimum number of consumers needed to obtain the estimate with the desired precision is (b) 271
Explanation:
When the prior estimate of population proportion is not given , then the formula to find the sample size is given by :-

where E = Margin of error.
z* = Critical z-value.
As per given , we have
E = 5%=0.05
Confidence level = 90%
The critical value of z at 90% is 1.645 (By z-table)
Put all values in the formula , we get
n=0.25(1.645/0.05)²
n=0.25(32.9)²
n=270.6025≈271
Thus, the minimum sample size needed = 271
Hence , the correct answer is 271 .
It’s B, have a good day☀️
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