krisapanchal200709 krisapanchal200709
  • 08-04-2022
  • Mathematics
contestada

A bowl contains 7 white pebbles and 11 black pebbles. A pebble is chosen and not replaced, then another pebble is picked. What is the
probability that the first one is a white pebble and the second one a black pebble?
O a
7
18
Ob
11
18
Ос
11
17
Od
77
306

Respuesta :

phuc2sonim
phuc2sonim phuc2sonim
  • 08-04-2022

Answer:

17 because 2 is taken from 18 and 18-2=16 but 17 and 17 is close to 16

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