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Alik [6]
3 years ago
8

Please help with these two questions if you can it would really make my day! 20 points

Mathematics
2 answers:
Svetllana [295]3 years ago
7 0
1st one is 512L
2nd one is 125mL 
let me know if im wrong
Arte-miy333 [17]3 years ago
4 0
8x8=64x8=512L

5x5=25x5=125mL

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Answer:

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Step-by-step explanation:

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pshichka [43]

Answer:

See the proof below.

Step-by-step explanation:

Assuming this complete question: "For each given p, let Z have a binomial distribution with parameters p and N. Suppose that N is itself binomially distributed with parameters q and M. Formulate Z as a random sum and show that Z has a binomial distribution with parameters pq and M."

Solution to the problem

For this case we can assume that we have N independent variables X_i with the following distribution:

X_i Bin (1,p) = Be(p) bernoulli on this case with probability of success p, and all the N variables are independent distributed. We can define the random variable Z like this:

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We need to proof that Z \sim Bin (M, pq) by the definition of binomial random variable then we need to show that:

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The deduction is based on the definition of independent random variables, we can do this:

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And if we take common factor Mpq we got:

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8 0
3 years ago
Q: In an examination 14% of the students failed and 559 students passed. Find
topjm [15]
100% - 14% = 86%
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