Question

In Olympic archery competition, a perfect shot in the center of the target scores a 10. The probability of Justin making a perfect shot is 4/9. Justin has 10 more shots to take in medal competition. What type of simulation should be used to find the probability that he will make 6 perfect shots?
A. use a spinner divided into nine sections with four sections shaded
B. choose a marble from a sack with nine marbles
C. toss a coin ten times
D. toss a coin and toll a die

Answer 1

@wagnermar do you have any idea on solving this?

Answer 2

i honestly dont really understand probability... like i get it when the teacher helps... but i honestly dont understand it. This is not homework so i am no stress to finish it i am just going through the review pages, to understand it better because i have a test coming up

Answer 3

Probability can be easy, let's understand the basics first:

1) Here the statement says probability of justin making a perfect shot is 4/9, this means if he tries 9 times, he will score 4 of the times a perfect shot.
This is same as picking 1 red ball out of a box of 9 ball of which 4 are red.
Proability here can be defined simply as favorable choices/total no. of choices:
4 ( no. of red balls)/9 ( total no. of balls)
Do you follow?

Answer 4

ok

Answer 5

So which option is similar to the example in question?

Answer 6

B.(choose a marble from a sack with nine marbles) ..?

Answer 7

could be A, right? because thats looks more similar to what you said

Answer 8

It doesn't say that the 9 marbles are different or same kind. If same kind choosing 1 marble out of 9 marble has probability of 1 (as all are the same)
If all are different then choosing one out of 9 different is 1/9
Do you follow?

Answer 9

Yes Wagnermar, you are close to the answer. Can you explain why do you think A is the answer?

Answer 10

I changed my answer to A, because like you mentioned, its the same thing as picking 1 red ball out of a box of 9 ball of which 4 are red, A looked more similar and reasonable to what you said

Answer 11

Yes, it says 4 sections out of 9 are shaded. Now if spinner is spun the probability of it landing on the shaded sections is 4/9.
So it's the perfect method of simulating. Do you understand?

Answer 12

:D! yes i understand how to solve this problem. thank you for helping step by step!

Answer 13

No problem :)

Answer 14

aye man thanks again @ash2326

Answer 15

@TheRealMeeeee