what s the probability

Question

what is the probability  of getting either a 2 or any even number in a die roll assuming the die has 6 sides? 

 

6 squared so 36??

 

 

Probability of getting either heads or tails in one toss? 1/2? 

Answer 1

1,2,3,4,5,6 are the numbers on the die

3 are even and 3 are odd

P=3/6=1/2

 

probability of heads is 1/2 and probability of tails is 1/2

P(heads or tails)=1/2 + 1/2=1

when you toss a coin you get either heads or tails so the probability is 1 unless the coin lands on its side, which is highly unlikely

 

or, do you mean what is the probability of getting heads ?  what is the probability of getting tails ?

P(heads)=1/2

P(tails)=1/2

 

Answer 2

The number of total outcomes in a die (one, not dice) is 6. The word "or" indicates that we will need to add the probabilities. The number of desired outcomes is: 2(1/6) and 4,6(2/6).

 

We will just need to add these probabilities together to get the total outcomes, which is 3/6 or 1/2.

 

Your answer is correct for arriving at heads from one toss. You have two total outcomes and just one desired outcome.

 

Hope this helps!