Respuesta :

Answer:

See below ~

Step-by-step explanation:

Question 12

  • Numbers greater than 3 : 5
  • Total numbers : 8
  • P (number > 3) = 5/8
  • Multiply with 400
  • 5/8 x 400
  • 5 x 50
  • 250 times

Question 17

Part A

  • Possible outcomes = {HT, HH, TH, TT}

Part B

  • P (heads at least once) = Outcomes with at least one "H" / Total
  • P (heads at least once) = 3/4

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