Alicia is making headbands using ribbon she would like to make to make 12headbands each one requires 15.5 inches of ribbon she e
1 answer:
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Answer:
By the Central Limit Theorem, it is approximately normal with mean 650 and standard deviation 4.
Step-by-step explanation:
Central Limit Theorem
The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
Mean of 650 and a standard deviation of 24.
This means that .
Sample of 36:
This means that
What is the shape of the sampling distribution you would expect to produce?
By the Central Limit Theorem, it is approximately normal with mean 650 and standard deviation 4.
Answer:
Step-by-step explanation:
In this question, we're trying to find how many circles are there and represent it as a fraction.
We know that he drew:
- 3 triangles
- 4 rectangles
- 7 arrows
- Set of 20 shapes
We need to find how many circles are there.
3 tiangles + 4 rectangles + 7 arrows = 14 shapes
We know that there is suppose to be 20 shapes, this means that the remaining amount would be circles (6 circles)
We now know that there are 6 circles and 20 shapes in total.
This means that the fraction that would represent circles is 6/20
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