Question

If you toss three coins 100,000 times, how many times do you expect to see exactly one head come up?
A ..12,500
B ..37,500
C..3,750
D.. 50,000

Answer 1

hint: Sample space is 8.

Answer 2

oh mathmate already gave u hint..sorry :P

Answer 3

So whats the anwser A B C D

Answer 4

3/8

Answer 5

im so not good with fractions

Answer 6

my bad.. yea \[3 \over 8\] sorry zarkon

Answer 7

\[{ 3 \over 8 } \times 10,000\]

Answer 8

is your asnwer

Answer 9

How do i figure that out?

Answer 10

you need one more zero ;)

Answer 11

ok the probability of getting exactly 1 head is\[ 3 \over 8\].. u can get that by checking the sample space of this event

Answer 12

oh my bad :( -_- . i must go to sleep @Zarkon :P

Answer 13

im new at this i have no clue what u mean by checking sample space. cant you jus give me the anwser? so then i can figure it out lol

Answer 14

\[37,500\]

Answer 15

Thank you. i figuired it out before you even wrote back :D lol

Answer 16

Lol