Sample Space
The sample space is the set all possible outcomes.
the sample space is $\left\{\text{Heads, Tails}\right\}$ or $\left\{\text{H, T}\right\}$ abbreviated.
The capital letter is used for sample space.
$n\left(U\right)$ means the number of elements in $U$.
In this example, $n\left(U\right)=$ .
A fair coin
When flipping a coin
the sample space is $\left\{\text{Heads, Tails}\right\}$ or $\left\{\text{H, T}\right\}$ abbreviated.The capital letter is used for sample space.
$n\left(U\right)$ means the number of elements in $U$.
In this example, $n\left(U\right)=$ .
A fair 6-sided die
$U=\{$ $\}$ and $n\left(U\right)=$
A deck of cards
$U=\{$♦A,♦2,♦3,♦4,♦5,♦6,♦7,♦8,♦9,♦10,♦J,♦Q,♦K,
♣A,♣2,♣3,♣4,♣5,♣6,♣7,♣8,♣9,♣10,♣J,♣Q,♣K,
♥A,♥2,♥3,♥4,♥5,♥6,♥7,♥8,♥9,♥10,♥J,♥Q,♥K,
♠A,♠2,♠3,♠4,♠5,♠6,♠7,♠8,♠9,♠10,♠J,♠Q,♠K$\}$
$n\left(U\right)=$
Other examples
List the sample space for:
$U=\{$ $\}$
$U=\{$ $\}$
$U=\{ABC,ACB,$ $\}$