Iaraara Iaraara
  • 22-05-2017
  • Mathematics
contestada

Can someone please help me!?

Can someone please help me class=
Can someone please help me class=

Respuesta :

Аноним Аноним
  • 22-05-2017
I'm not so sure about the first one but I think it's B
and for the second it would be certain because all of the tulips are red.
Answer Link
tonb
tonb tonb
  • 22-05-2017
Since you're not returning the marble, there is one less to choose from in the second draw.

First draw: 5/10 (five out of 10 are red)
Second draw: 4/9 (four out of 9).

First AND second draw: 5/10*4/9 = 20/90 = 2/9, answer B.

Second question: the only possibility is to pick a red tulip, so that's a certainty! Answer A.
Answer Link

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