magmaonline296
magmaonline296 magmaonline296
  • 21-03-2020
  • Mathematics
contestada

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

Respuesta :

mhanifa
mhanifa mhanifa
  • 21-08-2020

Answer:

5/21

Step-by-step explanation:

5 brown cows and 10 white cows

Total is:

  • 5 + 10 = 15

Probability of brown cow escaping first is:

  • 5/15 = 1/3

Probability of white cow escaping next is:

  • 10/14 = 5/7

Probability of the event happening in given order is:

  • 1/3*5/7 = 5/21
Answer Link
tnichols732 tnichols732
  • 21-10-2020

Answer:

40% brown 20% white

Step-by-step explanation:

Answer Link

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