1. Which of the following is the sample space when 2 coins are tossed?
A {H, T, H, T}
B {H, T}
C {HH, HT, TH, TT}
D None of the above
2. At Kennedy Middle School, 3 out of 5 students make honor roll. What is the probability that a student does not make honor roll?
A 65%
B 40%
C 60%
D None of the above.
3. A large basket of fruit contains 3 oranges, 2 apples and 5 bananas. If a piece of fruit is chosen at random, what is the probability of getting an orange or a banana?
A 4/5
B 1/2
C 7/10
None of the above.
4. A pair of dice is rolled. What is the probability of getting a sum of 2?
A 1/6
B 1/3
C 1/36
None of the above.
5. In a class of 30 students, there are 17 girls and 13 boys. Five are A students, and three of these students are girls. If a student is chosen at random, what is the probability of choosing a girl or an A student?
A 19/30
B 11/15
C 17/180
None of the above.
6. In the United States, 43% of people wear a seat belt while driving. If two people are chosen at random, what is the probability that both of them wear a seat belt?
A 86%
B 18%
C 57%
D None of the above.
8. A city survey found that 47% of teenagers have a part time job. The same survey found that 78% plan to attend college. If a teenager is chosen at random, what is the probability that the teenager has a part time job and plans to attend college?
A 60%
B 63%
C 37%
D None of the above.
9. In a school, 14% of students take drama and computer classes, and 67% take drama class. What is the probability that a student takes computer class given that the student takes drama class?
A 81%
B 21%
C53%
D None of the above.
10. In a shipment of 100 televisions, 6 are defective. If a person buys two televisions from that shipment, what is the probability that both are defective?
A 3/10
B 9/2500
C 1/330
