What is the correct formula for calculating a probability?
A) divide number of trials by number of errors
B) divide number of successes by number of trials and multiply by one hundred
C) divide number of trials by number of errors and multiply by one hundred
D) divide number of successes by number of trials

Question

Quizplus · Accepted Answer

The correct formula for calculating probability is to divide the number of successful outcomes (or trials) by the total number of possible outcomes (or trials). This gives us a decimal or fraction, which can then be converted to a percentage if needed. Option D correctly gives this formula.

What Is the Correct Formula for Calculating a Probability