Two Students Taking a Multiple Choice Exam with 20 Questions

question 13

Multiple Choice

Two students taking a multiple choice exam with 20 questions and four choices for each question have the same incorrect answer on seven of eight incorrectly answered problems. The probability that student B guesses the same incorrect answer as student A on a particular question is 1/4. If the student is guessing, the guess for one problem is independent of the guess for the other problems. The probability of getting agreement on seven or more out of eight questions is:

• A)0.9996.
• B)0.0004.
• C)0.25.
• D)None of the answer options is correct.

Understand the migration trends to the United States between 1970 and 2010 and the factors influencing these trends.

Comprehend the objectives and outcomes of Operation Enduring Freedom and the Iraq War.

Evaluate the impact of the USA Patriot Act and its implications for civil liberties.

Analyze the socio-political and economic changes in the United States during the late 20th and early 21st centuries, including healthcare, wealth distribution, and technology's influence.

---

Definitions:

Supervisory Expense

The costs associated with the management and oversight of employees, including salaries of supervisors.

Activity Rate

A calculation used in activity-based costing to allocate overhead costs to products or services, based on the amount of activity consumed.

Activity-Based Costing

A costing method that assigns costs to products or services based on the activities and resources that go into their production.

Equipment Depreciation

The process of allocating the cost of tangible assets over its useful life, representing how much of the asset's value has been used up.