Answer:
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Step-by-step explanation:
look at the picture
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1 answer:
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Answer:
14
Step-by-step explanation:
From the given information:
suppose, Y is the number of times a coin is being flipped.
If the coin is flipped for the first time and we get H, then we have:
TTT =
Afterward, if we get H, then we waste two times plus the probability of this event .
Therefore, we have :
Afterward, if we get H, then we waste three times plus the probability of this event .
Therefore, we have :
If we got T at the third time, then;
T =
Thus, average number of headsthat you’ll see until gettingTTT can be expressed as:
= 14