An experiment has 10 equally likely outcomes. Let and be two non-empty events of the experiment. If consists of 4 outcomes, then the number of outcomes must have so that and are independent, is
Tap an option to check your answer.
DSE 2012 Question 43: Probability and Bayes' theorem
Answer and worked solution
Checking your account…
Plain-text version
An experiment has 10 equally likely outcomes. Let A and B be two non-empty events of the experiment. If A consists of 4 outcomes, then the number of outcomes B must have so that A and B are independent, is (A) 4 (B) 3 or 9 (C) 6 (D) 5 or 10
Probability and Bayes' theorem has come up 190 times in 7 exams since 2004.
What this question tests
This question is on Independence, part of Probability and Bayes' theorem in Statistics.
When one event tells you nothing about another, and how it differs from being mutually exclusive.
TestStop has 29 past-paper questions on this subtopic.
Similar questions from other papers
- Conditional Probability can be calculated by
- In a year of 366 days, what is the chance that three persons have different birthdays?
- If we twice flip a balanced coin, what is the probability of getting at least one head?
- Two cards are drawn from a full pack of 52 cards at random. The probability of getting a heart and a diamond is (*rounded off to two decimal places*).
- In a population of men in a city, 3% are observed to suffer from cancer, 15% are found to be smokers, while 10% are noticed to be either smokers or cancer patients. If…
Question from the DSE 2012 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.