We Want to Change the BankAccount Class So That All

question 74

Multiple Choice

We want to change the BankAccount class so that all accounts will have a monthly fee.The instance variable monthlyFee will hold the monthly fee.Which of the following is the correct public interface for a constructor that sets both the initial balance and monthly fee?

• A) public BankAccount (double initialBalance, monthlyFee)
• B) public BankAccount (double initialBalance, double monthlyFee)
• C) public Bankaccount (double initialBalance) has monthlyFee
• D) public BankAccount (double initialBalance)
• {
• double monthlyFee;
• / / The rest of the constructor code follows
• }

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Definitions:

Chi-square Test

A statistical test used to determine if a significant relationship exists between two categorical variables.

Significance Level

The threshold or probability of rejecting the null hypothesis when it is actually true, commonly denoted by alpha (α).

Sample Data

A subset of data collected from a larger population, used in statistical analysis as a representation of that larger population.

Hypotheses

Assumptions or propositions that are tested for statistical significance through experiments or observations.