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What is the probability of choosing a 3 and then an Q, with replacement ?

Sagot :

Answer:

There are

4

king,

4

queen and

4

jack in the pack of

52

cards.

Since the cards are drawn with replacement, then there will be

3

!

possibilities that these cards will occur together.

Also, the probability of occurrence of a king is,

P

(

k

i

n

g

)

=

4

52

=

d

1

13

The probability of occurrence of a queen is,

P

(

q

u

e

e

n

)

=

4

52

=

1

13

The probability of occurrence of a jack is,

P

(

j

a

c

k

)

=

4

52

=

1

13

Therefore, the probability of occurrence of a king, a queen and a jack is,

P

=

3

!

×

1

13

×

1

13

×

1

13

=

6

×

1

2197

=

6

2197

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