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Mathematics (AS & A Level) · Oct / Nov 2020 · Paper 51 · Question 2

9709

As printed in the paper

The question as text

The probability that a student at a large music college plays in the band is 0.6. For a student who plays in the band, the probability that she also sings in the choir is 0.3. For a student who does not play in the band, the probability that she sings in the choir is x. The probability that a randomly chosen student from the college does not sing in the choir is 0.58.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 2(a)[3]

  • 2(b)[2]

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