destanie1030
25.02.2020 •
Mathematics
What is the probability of plopping three heads in a row?
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Ответ:
answer:
for a coin flip the probability is 50/50 so doing that the probability stays the same
Step-by-step explanation:
Ответ:
21/55
Step-by-step explanation:
7 blue counters, 3 green counters and 1 red counter = 11 counters
1st counter
P(blue)= blue / total = 7/11
Now there are only 10 counters
6 blue counters, 3 green counters and 1 red counter = 10 counters
2nd counter
P(blue)= blue / total = 6/10 = 3/5
P(blue blue) = 7/11 * 3/5 = 21/55