Question

We toss three coins. What is the probability of the event "3 heads appear"?
Answer

1/4

3/8

1/8

1/2
Question 5

We perform the experiment "toss two dice." What is the probability of the event "The sum of the faces equals 6"?
Answer

4/36

1/36

1/6

5/36
Question 6

We perform the experiment "toss two dice." What isthe probability of the event "No 3 appears on either face"?
Answer

10/36

11/36

1/36

25/36

Answer 1

first find the sample space

HHH
HHT
HTH
THH ...

Answer 2

Help me and i will put ur answer as Best Response please!!

Answer 3

1/8 why? because 1/2 for the first head. times 1/2 for the second head. times 1/2 for the third head

Answer 4

so the answer is 1/8?

Answer 5

yes for the first one

Answer 6

ok thank you can u help me answer the other ones please?

Answer 7

also it doesn't matter if you threw three coins at the same time or if you used the same one over and over again

Answer 8

for the next one we want the dice to look like
1 and 5
2 and 4
3 and 3
4 and 2
5 and 1

Answer 9

thats 5 different ways you can throw the dice to add to six right?

Answer 10

but how many TOTAL ways can you throw the dice?

Answer 11

6 times 6 because if you know how to do "combinations" you multiply 6 sides of the first dice by six sides of the second die

Answer 12

5 out of 36 is the answer to the second question

Answer 13

omg thank you so much an i have help on the last one too?

Answer 14

lets walk through this one

Answer 15

i just said that there are 36 ways your dice can be in, you know like
1 1
1 2
1 3

Answer 16

why don't you count how many of those will have threes in them?

Answer 17

take a look at this picture

Answer 18

it shows the many different ways you can throw two dice

Answer 19

now of those many ways, how many of them have a 3 in them

Answer 20

send me a message if you still don't get it