Practice Exam – Analytics (Part 4)
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Question 1 of 16
1. Question
Imagine you have a bag containing 15 marbles:
- 4 red marbles
- 5 blue marbles
- 3 green marbles
- 3 yellow marbles
Solve for P(Red).
CorrectIncorrect -
Question 2 of 16
2. Question
Imagine you have a standard deck of cards. What’s the probability of drawing a red face card?
- 52 cards
- Divided amongst 4 suits
- Diamonds (red)
- Hearts (red)
- Spades (black)
- Clubs (black)
- Each suit has…
- An ace
- Numbered cards 2-10
- Face cards of Jack, Queen, King
CorrectIncorrect -
Question 3 of 16
3. Question
Imagine you have a bag containing 15 marbles:
- 4 red marbles
- 5 blue marbles
- 3 green marbles
- 3 yellow marbles
Solve for P(Green or Yellow).
CorrectIncorrect -
Question 4 of 16
4. Question
What type of probability could we consider a sophomore trying out for the team?
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 5 of 16
5. Question
Solve for the probability of a sophomore trying out for the team.
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 6 of 16
6. Question
What type of probability could we consider a junior who made varsity?
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 7 of 16
7. Question
Solve for the probability of a junior making varsity.
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 8 of 16
8. Question
What type of probability could we consider a student making junior varsity, given they’re a freshman?
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 9 of 16
9. Question
Solve for the probability of a student making junior varsity, given they’re a freshman.
Freshman Sophomore Junior Senior Made Varsity 2 3 8 9 22 Made Junior Varsity 8 12 3 0 23 Got cut 3 4 1 1 9 13 19 12 10 54 CorrectIncorrect -
Question 10 of 16
10. Question
During career fair, Company XYZ noticed a trend in the attire of applicants. They reported that 60% of students who wore glasses to the interview were offered an internship, while only 25% of students who did not wear glasses received an offer. Additionally, the recruiters observed that 35% of the applicants wore glasses to their interviews.
Select the correct probability tree to represent this.
CorrectIncorrect -
Question 11 of 16
11. Question
During career fair, Company XYZ noticed a trend in the attire of applicants. They reported that 60% of students who wore glasses to the interview were offered an internship, while only 25% of students who did not wear glasses received an offer. Additionally, the recruiters observed that 35% of the applicants wore glasses to their interviews.
Solve for the probability of a student not receiving an offer, given they didn’t wear glasses.
CorrectIncorrect -
Question 12 of 16
12. Question
During career fair, Company XYZ noticed a trend in the attire of applicants. They reported that 60% of students who wore glasses to the interview were offered an internship, while only 25% of students who did not wear glasses received an offer. Additionally, the recruiters observed that 35% of the applicants wore glasses to their interviews.
Solve for the probability of a student not wearing glasses and not receiving an offer.
CorrectIncorrect -
Question 13 of 16
13. Question
Your campus coffee shop recorded 25,000 transactions last month. 7,500 of all transactions included a latte. Out of those latte transactions, 3,000 included a bagel (out of 4,000 transactions that included a bagel).
Solve for the support of “(Latte) -> (Bagel)”.
CorrectIncorrect -
Question 14 of 16
14. Question
Your campus coffee shop recorded 25,000 transactions last month. 7,500 of all transactions included a latte. Out of those latte transactions, 3,000 included a bagel (out of 4,000 transactions that included a bagel).
Solve for the confidence of “(Latte) -> (Bagel)”.
CorrectIncorrect -
Question 15 of 16
15. Question
Your campus coffee shop recorded 25,000 transactions last month. 7,500 of all transactions included a latte. Out of those latte transactions, 3,000 included a bagel (out of 4,000 transactions that included a bagel).
Solve for the lift ratio of “(Latte) -> (Bagel)”.
CorrectIncorrect -
Question 16 of 16
16. Question
Your campus coffee shop recorded 25,000 transactions last month. 7,500 of all transactions included a latte. Out of those latte transactions, 3,000 included a bagel (out of 4,000 transactions that included a bagel).
Is there an association between lattes and bagels?
CorrectIncorrect