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MathematicsMathematics
20 May, 14:51

Kim plays a card game with the children. She gives Gareth a card.

Gareth has to guess whether his card is higher or lower than 5 Kim tells him

• there are 10 cards higher than 5

• there are 4 cards lower than 5

Gareth thinks he should guess higher than 5

b) Is Gareth correct?

Explain why you think this.

+1
Answers (2)
  1. 20 May, 15:44
    0
    Yes

    Step-by-step explanation:

    There are total 10+4 = 14 cards

    P (higher than 5) = 10/14 = 5/7

    P (lower than 5) = 4/14 = 2/7

    There's a higher chance of the card being greater than 5
  2. 20 May, 17:20
    0
    Step-by-step explanation:

    Step 1: Determine if Gareth is correct

    Total number of cards → 10 + 4 → 14

    Probability of choosing lower → 4/14 → 2/7

    Probability of choosing higher → 10/14 → 5/7

    Since 5/7 > 2/7, that means that Gareth is correct be choosing a higher card.

    Answer: Yes
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Home » Mathematics » Kim plays a card game with the children. She gives Gareth a card. Gareth has to guess whether his card is higher or lower than 5 Kim tells him • there are 10 cards higher than 5 • there are 4 cards lower than 5 Gareth thinks he should guess higher
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