Monday, October 16, 2006

paola's E-49 probability part I




I. find each probability if you spin the spinner once.




1.P(red)

answer:The probability of getting red in the spinner is 1/5.if you want to get the percentage of the probability,first you divide 1/5 then multiply the answer to 100 which the answer is 20%.

2.P(green)

answer:The probability of getting green in the spinner is 1/5 which the answer is the same as number 1.So the percentage is also 20%

3.P(blue or white)

answer:The probability of getting blue or white in the spinner is 2/5 or40%.

4.P(not yellow)

answer:The probability in getting all the colors except for the color yellow is 4/5 or 80%

5.P(not red)

answer:This is also the same as number 4 but now they are looking for the probability of all the colors except for the color red.So the answer in this question is also 4/5 or 80%

6.P(blue or white)

answer:The probability of getting blue or white is 2/5 or 40%

make your own question part


II.find each probability if you spin once.


1.P(blue,red or purple)

answer:3/8 or 37.5%


2.P(black)


answer:1/8 or 12.5%


3.P(brown,baby blue,black or green)


answer:4/8=1/2 or 50%


4.P(not baby blue)


answer:7/8 or 87.5%


5.P(black or red)


answer:2/8 or 25%

2 comments:

Mr. H said...

Great Job Keep it up. Part 2 is on the way.

Mr. H

The colours you chose are hard to see. Could you change them?

Maxine said...

Don't worry about the colors i think they're pretty. Tehehehe well yea... good job!