1/4 bc if you take the fraction 3/12 and simply it’s 1/4
當我點擊圖片查看答案時,一切都很模糊,我什麼也看不到。拍個更清晰的圖讓我回答一下!!
Answer:
true
Step-by-step explanation:
idk what your trying to do but I guess it's true
Answer:
Step-by-step explanation:
There are 4 blue, 5 red and total of 9 marbles.
<u>If two marbles are taken and we are looking for exactly one red, then it is:</u>
- red, then blue or blue, then red
<u>Find the probability of each case:</u>
- P(r, b) = 5/9*4/8 = 5/18
- P(b, r) = 4/9*5/8 = 5/18
<u>Probability of exactly one red:</u>
Answer:
13 students
Step-by-step explanation:
4 plus 9 = 13