Question

a fair coin is tossed and then a die is rolled. what is the probability of tossing heads on the coin and rolling a number less than 4?

Answer 1

how many numbers are less than 4 in a dice?

Answer 2

Odds of both = Odds of one * Odds of the other

Answer 3

3

Answer 4

Good. so what is the probability that you will roll a dice and the number is less than 4?

Answer 5

4/6 wich simplifys to 2/3 ??

Answer 6

are you sure it is 4/6?

Answer 7

3/6?

Answer 8

a dice has numbers 1,2,3,4,5,6
what are the odds that you will roll 1 or 2 or 3?

Answer 9

and that simplifys to 1/2?
is that the answer?

Answer 10

yes, thats right 3/6. because it said LESS than 4, so you have only 3 numbers less than 4.
Okay, now what are the odds that you will land a heads on a toss of a coin?

Answer 11

1/2?

Answer 12

yes, so what is the probability that you roll a number less than 4 AND toss a heads?

Answer 13

would you add 1/2 and 1/2

Answer 14

No, like polpak said, odds of both occurring = odds of one* odds of other.

Answer 15

so you multiply 1/2 and 1/2

Answer 16

ohh ok(: so the answer would be 1/4??

Answer 17

yes.

Answer 18

thanks will you help me on my other question? please

Answer 19

???

Answer 20

sure. but before you post it, think about what you need to do the problem on your own and see if you can solve it.

Answer 21

i tried i cant its hard

Answer 22

ok post the problem.