## Past Papers ofÂ Statistics and Probability

Course Code:

Final Exam FALL 2021

Total Marks: 30

Define the following

Final Exam FALL 2021

Instructions: Sharing of Calculator and Statistical table are not allowed.

Course Title: Statistics and Probability

Discipline /Program: BSCS/BSIT

Time Allowed: 2 hr 30 min

- Correlation and rank correlation
- Axiomatic definition of Probability
- Mutually Exclusive events
- Sample space

**Q#2**

- a) A bowl contains 12 poker chips, 3 red, 4 white, and 5 blue. If one of these poker chips is selected at random from the bowl, what is the probability that its color is is red?
- Red or white?
- Not white?

- b) Two fair dice are rolled; find the conditional probability that the sum of the two dice will be 7

given that the sum is odd.

(4) There are three families, each having four children; 2 boys and 2 girls; 3 boys and 1 girl and I boy and 3 girls. A child from each family is invited to a party. Find the probability that i) only girls turn up for the party, il) two girls and I boy turn up for the party.