The probability of drawing a card which is at least a spade... | Mathematics | SolveeIt | Solveeit

Today, August 24

Question

The probability of drawing a card which is at least a spade or a king from a well shuffled pack of cards is

A

$\frac{3}{13}$

B

$\frac{5}{13}$

C

$\frac{4}{13}$

D

$\frac{2}{13}$

Answer

$\frac{4}{13}$

Explanation

Solution

$P\left(A\cup K\right) = \frac{13}{52} + \frac{4}{52}-\frac{1}{52}=\frac{16}{52} = \frac{4}{13}$