shark7
shark7 shark7
  • 15-02-2017
  • Mathematics
contestada

plz help me on these 4 questions

plz help me on these 4 questions class=

Respuesta :

baileygeek
baileygeek baileygeek
  • 15-02-2017
The chance of getting heads is 1/2 because there are two sides of a coin. The chance of spinning a 4 is 1/10 because the 4 is only on space out of the ten on the wheel. Multiply these fractions to get the probability:
1/2 x 1/10 = 1/20. 1/20 is the answer for number 15.

16. 5/10 x 1/2 = 1/4

17. 3/10 x 1/2 = 3/20

18. 5/10 x 1/2 = 1/4
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