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Gekata [30.6K]
3 years ago
15

You toss a coin and roll a number cube. Find P(heads and an even number)

Mathematics
2 answers:
mezya [45]3 years ago
3 0
"and" means summe
P(coin)+P(cube)=1/2+1/6=0,666667
The chance to get head is always 1/2 no matter how often you toss the coin
And the chance to get a number when you roll a number cube is always 1/6

Did you mean that?
ivanzaharov [21]3 years ago
3 0
 <span>there are 12 possible outcomes. 
Heads - 1 
Heads - 2 
Heads - 3 
Heads - 4 
Heads - 5 
Heads - 6 
Tails - 1 
Tails - 2 
Tails - 3 
Tails - 4 
Tails - 5 
Tails - 6 

You want heads AND an even number, so that narrows it down to three. 
Heads - 2 
Heads - 4 
Heads - 6 

So thats 3/12 chance, which is simply a 25.00 percent chance. 


Much simper way to do so is that are 4 outcomes if you don't count the numbers. 
Heads - Even 
Heads - Odd 
Tails - Even 
Tails - Odd 

so you can also get 25.0% that way.</span>
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