Answer:
i. 3/5
ii. 2/5
Explanation:
Solving the problem by any of the students A, B and C is an independent event as solution by one does not restrict the other one from solving
However, the problem will be solved if even one of them solves the question
Now Probability of not solving the question by A, B and C are
PA (not solving a problem) - 1-1/3 = 2/3
PB (not solving a problem) - 1-1/4 = 3/4
PC (not solving a problem) - 1-1/5 = 4/5
ii) Probability of not solving - 2/3*3/4*4/5 = 2 *1/5 = 2/5
i) Probability of solving - 1- Probability of not solving
= 1 - 2/5 = 3/5
Answer:
bcz they did not reach Europe until after the 15th century
Explanation:
Answer: B
Explanation: Good luck! :D
The type of rock that allows oil, natural gas, and groundwater to flow through them is known as reservoir rock and this can only occur if the rocks are permeable.
<h3>What is a Reservoir Rock?</h3>
This refers to the type of rocks that allows natural gases and fluids to go through them because of their permeability.
Hence, we can see that because the rocks have good permeability, that is they have the ability to allow minerals to flow through them, then this is known as a reservoir rock.
Read more about rocks here:
brainly.com/question/16479523