Question

http://prntscr.com/1g6rx6 12 years ago

Answer 1

\[\binom{5}{2}\left(\frac15\right)^2\]

Answer 2

1/10 Right?

Answer 3

might have that a little askew tho

Answer 4

1/5 is good and 4/5 is bad

Answer 5

So 1/5

Answer 6

\[\binom{5}{2}\frac15\frac45\]
why does that not look right still?

Answer 7

2 choose 1

Answer 8

\[\binom{2}{1}\frac15\frac45\]thats better

Answer 9

Well, the probability that you get an orange one is 1/5 and the probability that you get any other colour is 4/5, so I think it is 1/5 x 4/5.

Answer 10

4/25

Answer 11

8/25, there is more than 1 way for that to occur

Answer 12

o*other + other*o

Answer 13

Ok so the final answer is 8/25

Answer 14

r,o,y,g,b

rr or yr gr br
ro oo yo go bo
ry oy yy gy by
rg og yg gg bg
rb ob yb gb bb

25 in the sample events
8 of them have 1 orange

8/25

Answer 15

Cool cool :)

Answer 16

I have to put it as a decimal.

Answer 17

So 0.32

Answer 18

Yep