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Tcecarenko [31]
3 years ago
11

Assume that you have a large sample of radioactive atoms, arranged in a rectangular lattice. Imagine that this lattice has some

number of rows and columns, with an atom in each lattice-position.
Now, in this scenario, the atoms do *NOT* decay independently. Instead, each row and column of atoms decays independently. More specifically, imagine that each row of atoms decays as a random variable, independently of all other rows and columns. Say that the probability of any particular row decaying over the course of one hour is 10%. In addition, each column of atoms decays as a random variable, independently of all other rows and columns
Say that the probability of any particular column decaying over the course of one hour is 40%.
Can you make a model for how the total number of atoms decays?
Make a graph/plot of your model, illustrating the amount of radioactive material you expect as a function of time in hours).
Does the total number of atoms decay exponentially?
If so, can you define a decay rate for the total number of atoms?
Mathematics
1 answer:
babunello [35]3 years ago
7 0

Answer:

I dont care

Step-by-step explanation:

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Using the z-distribution, it is found that the 90% confidence interval for mean calories in a 30-gram serving of all chocolate chip cookies is (143, 149).

We are given the <em>standard deviation</em> for the population, which is why the <em>z-distribution </em>is used to solve this question.

The information given is:

  • Sample mean of \overline{x} = 146.
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The confidence interval is:

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The critical value, using a z-distribution calculator, for a <u>95% confidence interval</u> is z = 1.645, hence:

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