Question

Jack has a fair coin. He tosses the coin four times.

What is the probability that Jack gets heads, then heads, then tails, and then tails?



In fraction

Answer 1

what's the probability of getting heads?

Answer 2

idk :)

Answer 3

how many sides on a coin?

Answer 4

2

Answer 5

good, and how many sides are heads?

Answer 6

1

Answer 7

good! so our probability of getting one heads is 1/2

Answer 8

what about tails?

Answer 9

idk, may be 1

Answer 10

remember, how many sides?

Answer 11

2

Answer 12

good, and 1 of them is tails

Answer 13

so 1/2

Answer 14

now we just multiply:

Answer 15

ok, thank you sooo much I appreciate it so much :)

Answer 16

(heads * heads* tails * tails) = (1/2) * (1/2) * (1/2) * (1/2) = ?

Answer 17

4?

Answer 18

not quite

Answer 19

what is 2 * 2 * 2 * 2 = ?

Answer 20

* means multiply

Answer 21

6

Answer 22

almost

Answer 23

I am so bad in multiplication!!!!!!!!!!!!

Answer 24

12?

Answer 25

start with 2
double it
double it again
double it again

Answer 26

what is 2 * 2 = ?

Answer 27

or 9?

Answer 28

it's 9

Answer 29

not 9

Answer 30

what is 2 *2 ?

Answer 31

4

Answer 32

good

what is 4 * 2 = ?

Answer 33

8

Answer 34

good, now what is 8 * 2 ?

Answer 35

16

Answer 36

fantastic!

so 2 * 2 * 2 * 2 = 16

which means (1/2) * 1/2 * 1/2 * 1/2 = 1/16 = your answer

Answer 37

1/16 is the answer?

Answer 38

yes

Answer 39

ok :)