Given P(A) = .8 and P( B| A) = .3, find P( A and B).
Statistics Conditional Probability

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.6
.12
.24
.38
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If A and B are mutually exclusive, which statement below must be true?
P(A∩B) = 0
P(A|B) = 0
P(A∪B) = 0
P(A) + P(B) = 1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If A and B are independent, which statement must be true?
P(A∩B) = 0
P(A|B) = P(A)
P(A∪B) = 0
P(A) + P(B) = 1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When picking two cards from a pack (without putting the first one back) the two outcomes are:
Dependent
Independent
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A science teacher gave her class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of those who passed the first test also passed the second?
59.5%
10.5%
1.6%
Not enough information
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is P(Red given blue)?
50%
26.7%
57.1%
46.7%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is P(T given C)?
45%
29.6%
40%
33.3%
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