SAT MATH • ANSWER CHECK
Probability & Conditional Probability
Complete the practice first, then open each answer to check your work. These answers match the revised September 2026 worksheets.
For a wrong answer, identify the cause: concept, algebra, arithmetic, interpretation, calculator choice, or timing. Equivalent exact numerical forms are accepted for these practice exercises.
Question 1
Answer: B
B. 7/20
Question 2
Answer: B
B. 1/3
Question 3
Answer: 2/5
Question 4
Answer: 0.82
Question 5
Answer: B
B. 9/25
Question 6
Answer: C
C. 3/5
Question 7
Answer: B
B. 1/6
Question 8
Answer: B
B. 2/15
Question 9
Answer: 210
In the revised question the conference has 600 attendees. Group Z has 35% of 600 = 210 attendees.
Question 10
Answer: B
B. 1/2
Question 11
Answer: B
B. 5/9
Question 12
Answer: 28
Question 13
Answer: B
B. 1/5
Question 14
Answer: 15%
Question 15
Answer: A
A. 0.21
Question 16
Answer: 12
Question 17
Answer: B
B. 26/33
Question 18
Answer: 1/6