CAIE IGCSE Mathematics Extended E8.1 Introduction to Probability Topic Practice

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Covered syllabus points

E8.1.1 Understand and use the probability scale from 0 to 1.E8.1.2 Understand and use probability notation.E8.1.3 Calculate the probability of a single event.E8.1.4 Understand that the probability of an event not occurring = 1 – the

Question 1

[Maximum number: 1]

On any day, the probability that the weather will be sunny is 0.7 .

Find the probability that on any day the weather will not be sunny.

Question 2

[Maximum number: 2]

Question (a)

(a)
Figure for Question (a) — CAIE IGCSE Mathematics Extended

The diagram shows 11 cards.

[ 1 ]

Question (i)

(i)

One of these cards is chosen at random.
Write down the probability that the letter on the card is not A.

[ 1 ]

Question (b)

(b)
Figure for Question (b) — CAIE IGCSE Mathematics Extended

50 students are asked if they like English ( E ) and if they like mathematics ( M ). 3 say they do not like English and do not like mathematics.
33 say they like English.
42 say they like mathematics.

[ 1 ]

Question (i)

(i)

A student is chosen at random.

Find the probability that this student likes English and likes mathematics.

[ 1 ]

Question 3

[Maximum number: 1]
Figure for Question 3 — CAIE IGCSE Mathematics Extended

50 students are asked if they like English ( E ) and if they like mathematics ( M ). 3 say they do not like English and do not like mathematics.
33 say they like English.
42 say they like mathematics.

A student is chosen at random.

Find the probability that this student likes English and likes mathematics.

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