Problem


Construct the discrete probability distribution for the random variable described. Express the probabilities as simplified fractions.
The number of tails in 3 tosses of a coin.

Answer

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Answer

The probability of getting 3 tails is \(\frac{1}{8}\)

Steps

Step 1 :The probability of getting 0 tails is \(\frac{1}{8}\)

Step 2 :The probability of getting 1 tail is \(\frac{3}{8}\)

Step 3 :The probability of getting 2 tails is \(\frac{3}{8}\)

Step 4 :The probability of getting 3 tails is \(\frac{1}{8}\)

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