Answer:
1/22
Step-by-step explanation:
- 12 total marbles
- 5/12 - 1/1 = 4/11
- 4/11 - 1/1 = 3/10
- 5/12 × 4/11 × 3/10 = 1/22
Answer:
Answer is .
Step-by-step explanation:
Total teens = 28
12 teenagers, in total, had a sister
7 teenagers, in total, had a brother
3 teenagers had both a sister and brother.
To get the required probability, we will consider the following two details:
3 teenagers have both a brother and sister and 12 have a sister.
Therefore, the probability that a randomly selected teenager who has a sister also has a brother will be =
Answer is .
Answer:
c
Step-by-step explanation:
Answer: 57
Explanation:
The 57 and x are exterior alternate angles.
What does this mean?
Well the definition of exterior alternate angles is that if you have two parallel lines and you draw a line crossing them, the angles on the outside of the two lines equal each other!
Answer:
21%.
Step-by-step explanation:
This would be 0.35*0.60 = 0.21 or 21%.
The probabilities are multiplied because the 2 events are independent.