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ki77a [65]
3 years ago
8

What is the answer to X and Y?

Mathematics
1 answer:
laiz [17]3 years ago
8 0
4+5x3 because if not you are going to have a zero in class
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A true-false quiz with 10questions was given to a statistics class. Following is the probability distribution for the score of a
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Using the mean <u>formula and it's interpretation</u>, it is found that:

1. The mean is 7.52.

2. If we were to give this quiz to more and more students, the mean score for these students would approach 7.52.

The mean of a discrete distribution is given by the <u>sum of each outcome divided by it's respective probability</u>.

Hence, in this problem, according to the <u>distribution given</u>, the mean is:

E(X) = 5(0.06) + 6(0.12) + 7(0.33) + 8(0.29) + 9(0.13) + 10(0.07) = 7.52

The mean is 7.52.

The <em>interpretation </em>is that over many trials, the mean would approach 7.52.

A similar problem is given at brainly.com/question/24855677

3 0
3 years ago
What is the perimeter of a square with 4 inch sides
notsponge [240]

Answer:

16 units

Step-by-step explanation:

We know a square is 4 sides, and perimeter is the sum of all sides.

4 + 4 + 4 + 4 = 16 units

we can do this in a more efficient way with:

4 x 4 =16 units

8 0
3 years ago
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What kind of math work do I have to write down for the problem -4+(-3)
kifflom [539]

Answer:

-4 + (-3) = -4 - 3 = -7.

Or even: -4 + (-3) = -7.

Step-by-step explanation:

This is a one step problem. It is very straightforward and has very little work.

8 0
3 years ago
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Please help help help help help ​
galben [10]

Answer:

Draw the number line and tge answer is at 3

6 0
3 years ago
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explain how you can use absolute value to tell whether the fisherman or the end of his fishing line is farther from the surface
forsale [732]

Answer:

So the answer is in your thoughts and also in your mind so therefor the answer is the fisherman is more farther away just by looking at him

Step-by-step explanation:

3 0
3 years ago
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