Miguel runs 4 miles in 24 minutes. How many miles does he run per minute?
1 answer:
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Answer:
Step-by-step explanation:
Probability refers to chance of happening of some event.
Conditional probability is the probability of an event A, given that another event B has already occurred.
denote the two boxes.
In box :
No. of black balls = 1
No. of white balls = 1
In box :
No. of black balls = 2
No. of white balls = 1
Let B, W denote black and white marble.
So, probability that either of the boxes is chosen is
Probability that a black ball is chosen from box =
Probability that a black ball is chosen from box
To find:probability that the marble is black
Solution:
Probability that the marble is black =