My first probability post

1. Answer one of the question Groups in Full as discussed in class.

Find each probability if you spin the spinner once.
1. P ( red) 1/5 there is 5 options and 1 red. 2. P (green) 1/5 there is 5 options and 1 green. 3. P (blue or white) 2/5 there is 1 blue and 1 white and their is 5 options to pick. 4. P (not yellow) 4/5 there is 5 options and yellow doesn't count. 5. P(not red) 4/5 it has to be yellow, blue, green, white but not red so it doesn't count. 6. P(blue or red or yellow) 3/5 it has to be blue, red and yellow but no white and green.

1. Question. What do all the questions have in common. What would you need to know about probability to be successful at solving them.
2. Answer. All the questions mostly have the same amount example: 1/5 on red and 4 other colors. You would need to know how to do probability to do this question to do the rest of the 1 first.

1. Queston. Are there any common errors students might make when answering any of these questions?
2. Answer. They might forget to look at the brackets example: ( Not red) some people might read it quickly and they think it says (red) so they would make the mistake.

Question. Create your own question(s) to challenge your classmates.
Question of mine own P ( white) find the Probability

My Probability Game

Kim's Probability Work=)

3) Solve


16)What is the probability of guessing the correct answer to a mulitple choice question if there are 5 choices?

The pobability is 20%.

explanation: You find this answer by taking the number of outcomes which is "1," and then divide it by the total possible outcome, which is "5."

1/5 = 0.2% * 100 = 20%



17) What is the probability of guessing the correct answer to a true and false question?

explanation: There are only two answers which is true and false so "2," is the total possible outcome. And you can only choose "1," answer so "1' is the number of outcomes.
So make it into a fractionand percent.

1/2 = 0.5% * 100 = 20%

18) what is the probability that your birthday will fall on Saturday or Sunday?

explanation: There are 7 dats in a week, so "7" is your total possible outcome. Saturday and Sunday are only 2 so that's your number outcomes. Make it into a fraction and a percent.

2/7 = 0.2857% * 100 = 28.57%