The name of 6 boys and 7 girls are written on cards you pull 1 out without replacing it and you pick another one what is the probability of picking 2 cards with the girls name

Respuesta :

Answer:

The probability of picking two cards with the girls name with out replacement

[tex]P(E) = \frac{42}{156} = 0.2692[/tex]

Step-by-step explanation:

Explanation:-

The number of cases that two cards can be drawn  from '6' boys and '7' girls one after another with out replacement.

That is [tex]13C_{1}X12C_{1} = 156ways[/tex]

Let 'E' be the event of the pick another one of two cards from girls name with out replacement .

That is total number of girls =7

The number of ways cases that the two cards can be drawn one after another one without replacement = [tex]7C_{1}X6C_{1}[/tex] = 42

Required probability P(E) = [tex]\frac{n(E)}{n(S)}[/tex]

                                          [tex]P(E) = \frac{42}{156} = 0.2692[/tex]

Conclusion:-

The probability of picking two cards with the girls name with out replacement

[tex]P(E) = \frac{42}{156} = 0.2692[/tex]