$n$ coins are simultaneously flipped.  The probability that at most one of them shows tails is $\frac{3}{16}$.  Find $n$.
Question:
$n$ coins are simultaneously flipped.  The probability that at most one of them shows tails is $\frac{3}{16}$.  Find $n$.
Answer:
Let's think step by step.

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5
$n$ coins are simultaneously flipped.  The probability that at most one of them shows tails is $\frac{3}{16}$.  Find $n$.
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