Answer:
a. Undercoverage bias
Explanation:
Based on the information provided within the question it can be said that the bias being mentioned is Undercoverage bias. This refers to when a population of a sample are not being represented correctly, which in this scenario is because these people cannot be contacted. Therefore the correct bias that results from this is Undercoverage bias.
Answer:
creates a cookie with a name of “username” and a value of “mike2009”
Explanation:
This javascript code creates a cookie with the name "username" and it's value is "mike2009".This cookie expires after 1 year.Mentioned in the max-age function.Since max-age function takes arguments in seconds so the it sums up to 1 year.It will be deleted after one year.
Answer:
In a class, a public data member are those member which can be accessible to all other classes in the computer program. By using public data member a class can modify its data member and its member function. Hence, the key member in class are not be declared as public.
It is declared as:
class public
{
public; // public access specifier
int a,b; // Data Member
}
In a class, a private data member are only access by member function inside the class as, it is completely invisible from the outside world. In this, member function and class variable are private by default.
class private
{
private; // private access specifier
int a,b; // Data Member
}
