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tekilochka [14]
3 years ago
9

A function is created to represent the amount of texts sent each month. What restrictions would be made to the range?. The range

would only include integers.. The range would only include positive integers.. The range would only include negative integers.. The range would include all real numbers..
Mathematics
1 answer:
forsale [732]3 years ago
6 0
A range is the amount of time from a start of the action up to the end of the action so in your question where a function is created to present the amount of text sent each month. So the best possible restriction of the range is "The range would only include positive integers"
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You know that in a specific population of rainbow trout 15% of the individuals carry intestinal parasites. Assume you obtain a r
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a) 0.2316 = 23.16% probability that 0 carry intestinal parasites.

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Binomial probability distribution

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And p is the probability of X happening.

You know that in a specific population of rainbow trout 15% of the individuals carry intestinal parasites.

This means that p = 0.15

Assume you obtain a random sample of 9 individuals from this population:

This means that n = 9

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Last digit is 0, so:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{9,0}.(0.15)^{0}.(0.85)^{9} = 0.2316

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b. Calculate the probability that at least two individuals carry intestinal parasites.

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P(X \geq 2) = 1 - P(X < 2)

In which

P(X < 2) = P(X = 0) + P(X = 1)

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P(X = 1) = C_{9,1}.(0.15)^{1}.(0.85)^{8} = 0.3679

P(X < 2) = P(X = 0) + P(X = 1) = 0.2316 + 0.3679 = 0.5995

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