The result of a mathematics course shows that 85% of the students who fail in tests also fail in the final assessment. Eight students who fail in tests are chosen at random. Find the probability that (i) all eight students fail in the final assessment, (ii) at least four students fail in the final assessment.

The result of a mathematics course shows that 85% of the students who fail in tests also fail in the final assessment. Eight students who fail in tests are chosen at random. Find the probability that (i) all eight students fail in the final assessment, (ii) at least four students fail in the final assessment.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

The result of a mathematics course shows that 85% of the students who fail in
tests also fail in the final assessment. Eight students who fail in tests are
chosen at random. Find the probability that
(i)
all eight students fail in the final assessment,
(ii)
at least four students fail in the final assessment.

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