math
posted by
Molly on
.
1> a bag contains 7 red 6 green and 7 white marbles, all identical but for color. what is the probability of selecting a red marble at random?
2> A weather predicts that there is a 45% chance of snow. what is the probability that it will not snow?
3> the probability the sun sets in the west is
a 0
b 1
c 1
d 1/2

math plz......help............................. 
molly,
i need help

math 
Hanna,
1. a 7/20 chance... in percent, 35 % chance
2. 55 %? :S But that sounds almost too easy...
3. I think it does always set in the west, if that's true, the answer is C  1.

math 
molly,
thanks u