Find the value P(7, 2) probability
1 answer:
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Answer:
Step-by-step explanation:
4 6 x y 10
As x is the median number of this sequence, we know that the mean would be equal to this.
The mean is defined as:
So we can say that:
Rearranging this, we get:
As we know that:
So we can substitute in values and see which fit the equality:
Subbing in x as 6 gives us,
However, y must be bigger than x and must be between 6 and 10, so this is incorrect.
Subbing in x as 7 gives us,
As 8 is bigger than 7, and is in between 6 and 10, this means all of our inequalities have been met and we have the correct answer.