Conditional Probability and Independence
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Anthony Clark
FREE Resource
Enhance your content in a minute
11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
If in a random survey of 40 people,17 select option A, 24 select option B, and 13 select option B only, then...
Are choices A and B independent?
Yes
No
because P(A) = P(A|B)
because P(A) ≠ P(A|B)
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is P(A)? Round to three decimal places if necessary written as 0.123.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is P(B)? Round to three decimal places if necessary written as 0.123.
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is P(A|B)? Round to three decimal places if necessary written as 0.123.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
If in a random survey of 40 people,17 select option A, 24 select option B, and 13 select option B only, then...
P(A∩B)=
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
If there are 3 red sections, 4 blue sections, and 1 green section on a spinner, then...
P(Green | Blue) =
Round your answer to 3 decimal spaces as necessary.
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
If there are 3 red sections, 4 blue sections, and 1 green section on a spinner, then... Are the event green and blue independent? Select an answer and a justification.
Yes
No
because P(A) = P(A|B)
because P(A) ≠ P(A|B)
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