A) 4
B) 1
C) 2
D) 5
Correct Answer: C
Solution :
There are 4 possible outcomes: heads on both coins tails on both coins heads on first coin, tails on second coin tails on first coin, heads on second coin There is 1 favorable outcome: tails on both coins. The probability is 1 out of 4, or \[\frac{1}{4}\] Now find \[\frac{1}{4}\] of 8. \[\frac{1}{4}\times 8=2\] So, the best prediction possible is 2 out of 8 times. You pick a marble at random.
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