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B1 Intermediate English 5:30 Educational

Monty Hall Problem - Numberphile

Numberphile · 4,824,603 views · Added 1 month ago

Learning Stats

B1

CEFR Level

5/10

Difficulty

Subtitles (129 segments)

00:00

Well 'Let's Make a Deal' was a popular

00:01

show back in the day; contestants could

00:04

go on this game show and maybe go home

00:07

with the car of their dreams. First of

00:10

all the game show host was a very famous

00:12

guy named Monty Hall. And Monty would

00:14

come on to the show and he would have

00:16

three doors. And a contestant, that's you,

00:19

would come on to the show, Monty would

00:22

give you the chance to choose door

00:24

number 1, door number 2 or door

00:27

number 3. Now behind one of those

00:29

doors, only one, was your dream flash car.

00:33

Bright red, sports car, very fast; it was

00:37

awesome. And behind the other two doors

00:39

were 'zonks', that was the 'Let's Make a Deal'

00:42

word for something that you don't really

00:44

want. So you had- looks like a 1 in

00:46

3 chance of getting your dream car.

00:48

So suppose you pick door number 1; and

00:50

Monty would then do the same thing every

00:54

week. He would go over to the two doors

00:56

you didn't pick, 2 and 3, and he

00:59

would open one of them. Let's suppose he

01:01

opened door number 2. And the door that

01:05

Monty opened would always have behind it

Full subtitles available in the video player

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