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06.04.2021 •
Mathematics
Suppose that 55% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?
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Ответ:
The probability to one person to be a dog owner is p=0.56 (because 56% of people own dogs) and the probability that one person is not dog owner is q=1-p=1-0.56=0.44.
Step-by-step explanation:
Choosing two people at random, there are such possibilities:
1. both are dog owners;
2. first owns a dog, second not;
3. first hasn't dog, second owns a dog;
4. both haven't dogs.
if you pick two people at random the probability that they both own a dog is 0.3136.
Hope this helps! :))
Ответ:
The coordinates of A is (-1, 2)
You just first move over to the left on the X axis making your x coordinate a negative. So when you you get to -1 you go up to where A is, which is at positive 2. Your y coordinate is positive because you're moving up on the Y axis and not down.