Respuesta :

Answer:

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards = 0.846

Step-by-step explanation:

Step(i):-

Let 'S' be the sample space associated with the drawing of a card

n (S) = 52C₁ = 52

Let E₁ be the event of the card drawn being a king

[tex]n( E_{1} ) = 4 _{C_{1} } = 4[/tex]

Let E₂ be the event of the card drawn being a queen

[tex]n( E_{2} ) = 4 _{C_{1} } = 4[/tex]

But E₁ and E₂ are mutually exclusive events

since E₁ U E₂ is the event of drawing a king or a queen

step(ii):-

The probability  of drawing of a king or a  queen from a standard deck of playing cards

P( E₁ U E₂ ) = P(E₁) +P(E₂)

                 [tex]= \frac{4}{52} + \frac{4}{52}[/tex]

P( E₁ U E₂ ) = [tex]\frac{8}{52}[/tex]

step(iii):-

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards

[tex]P(E_{1}UE_{2}) ^{-} = 1- P(E_{1} U E_{2} )[/tex]

[tex]P(E_{1}UE_{2}) ^{-} = 1- \frac{8}{52}[/tex]

[tex]P(E_{1}UE_{2}) ^{-} = \frac{52-8}{52} = \frac{44}{52} = 0.846[/tex]

Conclusion:-

The probability of drawing the compliment of a king or a  queen from a standard deck of playing cards = 0.846