Question 64
MediumOriginal questionRead the two statements and choose the correct option.
I. A number is picked at random from 1 to 10. The events : the number is even, and : the number is a multiple of 3, are independent.
II. A number is picked at random from 1 to 12. The events : the number is even, and : the number is a multiple of 3, are independent.
Show the answer and explanation
Correct answer: B
Explanation
I: , and : . False.
II: , and : . True.
Worth noting
Independence is a fact about the numbers, not about how the events are described: the same two events are independent on 1 to 12 but not on 1 to 10.
- Concept
- Testing for independence
- Typical timeTypical
- 90 s
- Your timeYours
- —
Ten questions from Conditional Probability & Bayes' Theorem, at your own pace.