A bridge hand is made up of 13 cards from a deck of 52. Find the probability that a hand chosen at random contains at least 3 ni

Question

dybincka [34]

2 years ago

6

A bridge hand is made up of 13 cards from a deck of 52. Find the probability that a hand chosen at random contains at least 3 ni

nes.

Mathematics

1 answer:

vovikov84 [41] · Answer 1 · 2022-08-23T04:54:09+03:00

vovikov84 [41]2 years ago

4 0

A deck of 52 hours has 4 nines.
P ( x ≥ 3 ) = ( 48 C 10 · 4 C 3 ) / ( 52 C 13 ) + ( 48 C 9 · 4 C 4 ) / ( 52 C 13 ) =
= 0.0412 + 0.588 = 0.1
Answer:
The probability is 0.1 ( or 10%).