25 POINTS PLEASE HELP I BEG YOU!!
2 answers:
Answer:
slices with
of left over.
Step-by-step explanation:
To solve this problem we just need to divide, you can deduct that from Sasha's intention, she wants to cut, that's division. So, the bread is 10-inch, and she wanna have slices of 3/4 inch. In other words, we must divide 10 by 3/4, that's the cut Sasha wants to make:
This result means that she will have 13 slices of 3/4 inches, and 0.3333333 would be left over, which is 1/3.
Therefore, the result would be , as a mixed number.
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The determined value of mean µ is 1.3 and variance σ² is 0.81.
What is mean and variance?
- A measurement of central dispersion is the mean and variance. The average of a group of numbers is known as the mean.
- The variance is calculated as the square root of the variance.
- We can determine how the data we are collecting for observation are dispersed and distributed by looking at central dispersion.
The table is attached as an image for reference.
Mean µ = ∑X P(X)
µ = 1.3
Variance (σ² ) = ∑ X² P(X)- (µ)²
= 2.5-(1.3)²
(σ² ) = 0.81
The determined value of mean µ is 1.3 and variance σ² is 0.81.
Learn more about mean and variance here:
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