Neco 2020 Mathematics Question 4

Practice essay / theory question 4 from the 2020 Neco Mathematics examination. This question covers probability, set theory, conditional probability .

Neco 2020 Mathematics Essay / Theory

Topics: probability set theory conditional probability

Question 4 NECO • 2020 • MATHEMATICS • essay

Neco 2020 Mathematics Question 4 diagram

A survey was conducted among 200 senior secondary school students to find out which of the three science subjects they study: Mathematics (M), Physics (P) and Chemistry (C). The results are represented in the Venn diagram given.

Question Parts

( a )

Find the probability that a randomly selected student studies exactly two of the three subjects.

( b )

Find the probability that a randomly selected student studies at least one of the three subjects.

( c )

Given that a student studies Mathematics, find the probability that the same student also studies Chemistry.

( d )

Two students are selected at random without replacement. Find the probability that both students study none of the three subjects.

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About This Question

This is Neco 2020 Mathematics Question 4. It is one of the essay questions from the 2020 Neco Mathematics examination.

The question covers probability, set theory, conditional probability .

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