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In a group of 39 pupils, 10 play the flute only. 1 plays the piano only. 13 play neither instrument. A student is selected at random. What is the probability the student plays both instruments?

Sagot :

Mhanifaidn

Answer:

  • 5/13

Step-by-step explanation:

Given:

  • Total number = 39
  • Flute only = 10
  • Piano only = 1
  • Neither = 13

Find the number of students who play both instruments:

  • 39 - 13 - 10 - 1 = 15

Probability the student plays both instruments:

  • P(both) = N(both)/N(total) = 15/39 = 5/13
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