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Estimating Probabilities - Questions

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Question 1
29228

Estimate the probability \({P_r}\)(two tails) if two coins are tossed 160 times and two tails are observed on 32 occasions. 

\(\dfrac{1}{5}\)

\[
\operatorname{Pr}(\text{ two tails })=\frac{32}{160}=\frac{1}{5}
\]

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