# math

posted by .

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............................. -

i need help

• math -

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 -

thanks u

## Similar Questions

1. ### math

A bag contains red, blue, and orange marbles. If the probability of randomly selecting a red marble is 0.4 and the probability of selecting a red or blue marble is 0.9 what is the probability of selecting a red or orange marble?
2. ### math

An urn contains 5 red marbles, 4 blue marbles, and 3 green marbles. A marble is selected at random and then, without replacing the first marble, a second marble is selected at random. What is the probability of selecting a green marble …
3. ### probability

A bowl contains only red marbles, blue marbles and green marbles. The probability of selecting a red marble from the bowl is 3/13. The probability of selecting a blue marble from the bowl is 2/5. There are fewer than 100 marbles in …
4. ### Math

A bag of marbles contains only green and red marbles. All of the marbles are the same size. If the probability of selecting a green marble is 1/2. Which is most likely to be the number of green and red marbles in the bag?
5. ### Math

A bag contains nine red marbles, four green marbles, three blue marbles, and two yellow marbles. If Lisa draws a random marble from the bag, what is the probability that it will be a red, green, or blue marble?
6. ### math plz help

The contents of a jar holds 4 red marbles, 7 blue marbles, and 5 green marbles from which you select marbles at random. What is the probability of selecting a red marble, replacing it, and then selecting a blue marble?
7. ### math

A bag contains 5 red marbles, 6 white marbles, and 8 blue marbles. You draw 5 marbles out at random, without replacement. What is the probability that all the marbles are red?
8. ### Math

A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You draw 4 marbles out at random, without replacement. What is the probability that all the marbles are red?
9. ### Math

A bag contains 7 white, 15 blue, 14 red, 10 yellow, and 4 green marbles. What is the probability of selecting a white marble first and a green marble second?
10. ### Marbles

A bag contains 10 green marbles, 9 white marbles, 7 red marbles. If one marble is drawn from the bag then replaced, what is the probability of drawing a green marble then a red marble?

More Similar Questions