The latest schools question and answer requested students to assert what they think is the most crucial important challenge for a student to do in order to become success. From the numerous reactions, one that that stood out was practice. Persons who are generally successful do not become successful by being born. They work hard and commitment their lives to succeeding. This is how you can get your goals. following are one of the answer and question example that you would certainly make use of to practice and enhance your understanding and also give you insights that would guide you to maintain your study in school.
On a quiz there are four multiple-choice questions worth 3 points each and two true/false questions worth 1 point each. Each multiple-choice question has five possible choices. If a student randomly guesses on each question, what is the expected value of the student’s score on the test?
Answer: Expected value would be
Since we have given that
Number of multiple choice question = 4
Number of true false questions = 2
Number of points for each multiple choice question = 3
Number of points for each true false question = 1
Number of choices in multiple choice = 5
Probability of getting correct answer in multiple choice question =
Probability of getting correct answer in true false question =
Expected value of the student’s score on the test would be
Hence, expected value would be
From the answer and question examples above, hopefully, they can guide the student deal with the question they had been looking for and take notice of all things declared in the answer above. Then could potentially make some sharing in a group discussion and also learning with the classmate related to the topic, so another student also ought to have some enlightenment and still keeps up the school learning.