CA2023Proposed solution included

CSC 211 Probability and Statistics CA 2023

CSC 211: Continuous Assessment Examination, 17 November 2023, Dr Nyanga \& Mme Tabo D. (source is an entirely handwritten master exam, not a typed original -- the handwriting itself, including an in-place author correction in Question 3, is treated as the authoritative source text), University of Buea, Faculty of Science, Dept of Computer Science: a 20-student scores dataset (range, pass-percentage, 75th percentile, grouped mean/mode/median/variance), a husband/wife independent-survival probability problem, and a without-replacement marble-drawing conditional-probability problem solved via a tree diagram.

Open in Shoracy

Opens this paper in the app on your phone.

University of Buea

Faculty of Science - FS

Computer Science - CSC

CSC2112023

Probability and Statistics

CA · First Semester · Level 200

From this paper

2.
The probabilities that a husband and wife will be alive 20 years from now are given by 0.8 and 0.9, respectively. (Hint: being alive is independent). Find the probability that in 20 years (a) both, (b) neither, (c) at least one, will be alive. (7marks)

Open in the app to read the full paper and its proposed solution.

View solution Open in Shoracy