stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Probability Flashcards | StudBud
Explore
/
Probability
Probability
14 terms
·
StudBud Administration
·
70 plays
Imported from external platform
Flashcards
14 cards
F
Practice quiz
P
Host live
L
Questions
14
Answers
1
The Venn diagram below shows what type of pets the children in an elementary school class have. Which is NOT true?
P (Cats | Dogs) \approx42%
P(Dogs | Cats) \approx58%
P( Cats AND Dogs) \approx17%
P (Cats^c)=50%
2
You pick one card from the deck. Find P(card less than 5∩ heart). Note: don't count "Ace" as a "1" card.
4/52
4/51
9/52
3/52
3
What does the shaded region in the Venn diagram below represent?
B∪C
B∩C
A∪C
A∪B
4
The sample space for a deck of 52 cards is shown below. You pick one card from the deck. Find P(king or red card).
63%
54%
52%
58%
5
The table below shows data for the hair color of students in a statistics class. Find P (Black Hair or Blonde Hair).
0.46
0.73
0.77
0.5
6
You choose two cards, one at a time, from the deck below. Find P(2nd card is red | 1st card is red).
50%
48%
51%
49%
7
If P(A or B) = P(A) + P(B), then which of the following MUST be true
A and B must be both independent and mutually exclusive
A and B must be independent
None of the above
A and B must be mutually exclusive
8
A couple plans to have 5 children. The first 4 were girls, so there is a much higher chance that the 5th is a boy.
IDK
This is a false statement!
IDC
This is a true statement!
9
The table below shows the sports that students like to watch on TV. What is P(Football | Male) ?
60.6%
20.0%
41.7%
61.0%
10
Participants were polled and asked which flavor of ice cream and whic sport they like. Which is NOT true?
P(like soccer or like chocolate) = 0.72
P(like vanilla ∩like chocolate) = 0
The events "like soccer" and "like vanilla" are not mutually exclusive
11
The languages that a select number of college students speak are shown in the Venn diagram below. P(Spanish) = ?
38%
50%
9.5%
49%
12
What does the green-shaded region represent in the Venn diagram below?
A^c∩B^c
A^c
\left(A∩B\right)^c
A^c∪B
13
Events A and B are mutually exclusive. The probability of A is 0.4 and the probability of B is 0.2. Which is NOT true?
P(A ∩B) = P(B ^c)
P (A ∪B)^c = 0.4
P(A or B) = P(A^c)
P(B^c) = 0.8
14
Slips of paper with the #s 1 - 8 are in a hat. You pick two slips one at a time (without replacement). Which is true?
P( 2nd pick is less than 3 | 1st pick is less than 3) = 0.17
P(2nd pick is even | 1st pick is odd) = 0.5
P( 2nd pick is prime | 1st pick is prime) = 0.57
