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$1$

", "

$\\displaystyle\\frac{2}{3}$

", "

$\\displaystyle\\frac{1}{2}$

", "

$\\displaystyle\\frac{1}{3}$

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An unbiased coin is flipped. What is the probability of getting a tails?

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[[0]]

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When we flip an unbiased coin there are $2$ possible outcomes: heads or tails. Both outcomes are equally likely.

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\\[
\\begin{align}
P(\\text{tails}) &= \\displaystyle\\frac{\\text{number of favourable outcomes}}{\\text{total number of outcomes}}\\\\
&= \\displaystyle\\frac{1}{2}.
\\end{align}
\\]

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Choose the probability of getting a tails, from four options.

"}, "extensions": [], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}