AQA Paper 3 2023 June — Question 13

Exam BoardAQA
ModulePaper 3 (Paper 3)
Year2023
SessionJune
TopicConditional Probability
TypeProbability with replacement vs without replacement

13 There are two types of coins in a money box:
  • 20\% are bronze coins
  • 80\% are silver coins
Craig takes out a coin at random and places it back in the money box.
Craig then takes out a second coin at random.
13
  1. Find the probability that both coins were of the same type.
    13
  2. Find the probability that both coins are bronze, given that at least one of the coins is bronze.
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