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Foundation November 2019 Unit 1 Q5

WJECFoundationCurrent spec2 marksBasic Probability

5.

(a) Sara has 20 balls in a bag.
There are 15 blue balls and 5 red balls.
Sara chooses a ball at random from her bag.

Describe the chance that Sara chooses a red ball from her bag.
Circle the correct expression from those given below. [1]

impossible    unlikely    an even chance    likely    certain

(b) Gareth has some cards with a number written on each one.
These are Gareth’s cards.
125269748731

Gareth chooses one of his cards at random.

Describe the chance that Gareth chooses a card with an odd number on it.
Circle the correct expression from those given below. [1]

impossible    unlikely    an even chance    likely    certain