STA301 Quiz 2 Fall 2022

Sta301 Quiz 2 Fall 2022 · Lecture 16 to 21 · ORANGE MONKEY TEAM · With Mid handouts, Junaid, Moaz

Q1. Suppose that a sample space S consists of four sample events A,B,C and

1. That is S = {A,B,C,D}. IF P(A)=4, P(B)=3,p(C)=2 what is p(D)=

0.1….confirm

2. Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart is 13/102….confirm
3. Consider a set S = { a,b,c,d,e} which set will make the partition of s? {a,b} and {c,d,e}
4. A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red is 2/91….confirm
5. Which of the following best expresses the general addition rule? P(A or B) = P(A) + P(B) – P(A and B)….confirm
6. If A = {10,11} then which of the following is power set of A? {{}, {10},{11},{10,11}}…..confirm

7. If P(A)=0.45, P(B)=0.35 and P(A and B) = 0.25 then P(A|B) is

0.714…..confirm · 8. 0! Is equal to · 1…confirm · 9. Order the power set of a set of order n is 2^n….confirm

10. Consider a set A={1,2,3}. What is the number of subsets of A? 23 = 8….confirm

11. Consider a set A {4,6,8,10}. What is the number of subsets of A? 24=16…..confirm

12. In how many ways a committee, consisting of 5 men and 2 women can be formed from 7 men and 3 women 63…..confirm
13. In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women 11760…..confirm